職務分析에 의한 工業高等學校 電氣科 敎育課程 開發 : 송배전 분야를 중심으로

박종운 한국교원대학교 1997 국내석사

昭陽湖의 制限水位에 關한 硏究

박종운 忠南大學校 1987 국내석사

本 論文은 域上寫眞測賃에서 撮影基綿長의 變化가 誤差傳播에 미치는 影響을 규명하여 보다 이상적인 影據條件을 제시하기 위한 것이다. P3l測定用 사진기에 依해 얻은 陰晝로 부터 機械座標를 求하고 affine 변환에 의해 寫眞座標를 구해 collinearity condition에 의한 bundle ad-justment로 標定點의 3차원좌표와 標準誤差를 比較 分析함으로써 握影距離에 따른 기선변화가 誤差傳播에 미치는 영향을 直角水平 및 偏心의 경우로 分類하여 考奈하였다. 重複度가 80%에서 70%로 변화할 때 X,Y,2의 標準誤差는 各各 約 9.8%, 24.4%, 30.7%로 감소되며, 70%에서 60%로 변화할 때 X.Y,2의 標準誤差는 5.6 %, 14.8 %, 21.9 %의 감소현상을 나타내므로 기선변화는 淸度解析에 중요한 의미를 가진다. 또 直角水平인 경우 실제 data에 의한 標準誤差는 simulation標準誤差보다 정도가 양호하나 偏心의 경우는 정도가 낮으므로 攝影方法도 정도에 큰 영향을 미친다. 雌上寫眞에서 解情的 方法은 標定에 의한 方法보하 높은 精度의 解析이 能하므로 精密測定을 要하는 各種 構造物의 位置解析에 널리 이용될 것으로 기대된다. This thesis proposed a new restricted water Level for flood season, based on statistical analysis and operation study for the Soyang lake in the Han river . This reservoir has been operated with a joint-use capacity for water conservation, which ranges from EL . 190.3m to EL . 193.5m. The higher level is the top of the conservation pool during the non-flood season, while the Lower is that during the flood season of 3 months from 21s1 June to 20th september. However, this restricted water Level for flood season was not determined by a detailed hydrological analysis, but by rather political judgement. The restricted water Level should be technically adjusted md justified in order to increase the water supply, electric power ·generation, and flood control effects . The rationality of the restricted water Level should be sub=j act o Long-term operation study . An the operation study can be done n the monthly time-horizon, because the data size of short term such as daily flows is not Large enough to provide the consistency f the study. The restricted water Level was identified by monthly operation under the optimal control Law, which was derived in the previous study. And gamma function was accepted as the best fitted distribution f probability density function of flows under the significance Level of 0.05. The difference of variance of flows between the monthly and daily probability density function was evaluated by statistical moment. The corresponding stage difference was read out based on the storage difference between two types of p.d.f. and the restricted later Level for the daily operation was concluded higher than that for the monthly operation at 0.7-0.9 meter. * A thesis sumbmitted to the committee of the Graduate School of Chng-nam National Universtty in partial fulfillment of the requirements he degree of Master of Sctence in Civil Engineering in August,1987.

고온 초전도 박막 제작용 RF-스퍼터링 장치의 설치 및 YBa_(2)Cu_(3)O_(7-δ) 박막 제작에 관한 연구

박종운 建國大學校 大學院 1996 국내석사

Studies on the setup of and RF magnetron sputtering system and fabrications of high-T_(c) superconducting (HTS) YBa_(2)Cu_(3)O_(7-δ)(YBCO) films on SrTiO_(3) and LaAlO_(3) substrates were investigated using an single target off-axis sputtering technique. Studies were focused on grown at the substrate temperature of 670℃ and the total gas (Ar+O_(2)) pressure of 70m Torr with the ratio of Ar:O_(2)=4:1 appeared c-axis oriented and to have the onset temperature of 83K and the zero-resistance temperature of 78K. It also apperaed that the geometry between the target and the substrate significantly affected the quality of the YBCO thin films. The results of our study can be useful for growth of YBCO thin films on semiconductor substrates such as Si and GaAs, where interdiffusion between YBCO thin films and the semiconductor substrate becomes more significant as the substate temperature gets higher.

빅데이터를 활용한 한우 씨수소(KPN) 자손이 출하월령 개선을 통한 농가 소득 향상에 대한 연구

박종운 한경대학교 대학원 2019 국내박사

수평하중을 받는 콘크리트말뚝의 거동 특성 연구

박종운 계명대학교 일반대학원 2013 국내박사

Recently, the use of the large cast-in-place concrete pile in the ocean structure and the long-span-bridge subjected to very large vertical and horizontal loads has been increased. Due to these loads, the piles may be failed or the excessive deflection of the pile may be occurred, so those phenomena will have a critical influence on the super-structure. Studies on the pile under a vertical load have been performed up to now, but very few studies on the pile under a lateral load have been performed. In this thesis, the lateral behaviors of a concrete pile are studied through laboratory model tests on a concrete pile socketed in rock. A concrete pile (diameter 105mm) was socketed to the concrete block (length 2.7 m × width 0.9 m × height 0.5 m) which mocked up the rock. Also a layer of sand, 1m in height was installed on the concrete block. The pile length, socket length and relative density of sand were varied in model tests, and the lateral loading tests for a single pile and a group pile of 2×3 array were executed. The analysis of single pile using L-pile(Ensoft Inc., 2007) was also executed. The examination and comparison studies on the lateral behavior characteristics of the pile by model test and L-pile analysis were conducted, and the results can be shown as follows. As a results of model tests on the pile under a lateral load, the yield load of the pile decreased as the length of a pile increased. But the yield load increased with the socket length and the relative density of sand layer. The lateral load (P) is normalized by the yield load and the deflection (y) is normalized by the pile diameter (D). Regardless of test conditions, the normalized P/Py-y/D curves by model tests were shown as similar. Therefore the relationship between the normalized load and deflection is suggested in this thesis as the equation of . This equation represents the lateral load versus deflection relation ship for the concrete piles socketed in rock. The group efficiencies by model test were determined as 0.53~0.69, which were somewhat larger than 0.5 proposed by Oteo(1972). The lateral coefficient of subgrade reactions by model test were examined as 6,900~21,000 kN/m3. As results of model tests, the lateral coefficients of subgrade reaction increased with the relative density of sand layer, but decreased sharply with the length of a pile. But as the socket length increased, the lateral coefficients of subgrade reaction decreased a little or were shown as similar. The deflection of the single pile developed almost linearly under all test conditions, and the pile failed by shearing in all tests. The lateral load versus deflection curves for a single pile by L-pile program were shown as similar to those by model test, and the stiffness by L-pile was larger than that by model test. The yield loads by L-pile with varying the pile length and socket length were somewhat larger than those by the tests, but the difference of yield loads between model test and L-pile analysis was not so much. Both the yield load and deflection at the yield load increased as the socket length increased, and the yield load decreased a little with the length of pile, but the deflection at the yield load increased a little. 해상 구조물이나 초장대 교량의 기초로 대구경 현장타설 콘크리트 말뚝의 사용이 증가하는 추세이며, 이러한 기초는 매우 큰 수직하중 뿐만 아니라 수평하중을 받는다. 이에 따라 말뚝에서는 과도한 변위나 파괴가 발생할 수도 있고, 상부구조물에 심각한 영향을 미칠 수 있다. 지금까지 수직하중이 작용하는 말뚝에 대한 연구는 많이 이루어졌지만, 수평하중을 받는 콘크리트 말뚝에 대한 연구는 미미한 실정이다. 이에 본 논문에서는 수평하중을 받는 암반에 소켓된 콘크리트 말뚝에 대하여 대형 실내 모형실험을 실시하여 콘크리트 말뚝의 수평거동을 파악하였다. 모형실험에서는 축소된 콘크리트 말뚝을 제작하여 암반층을 모사한 콘크리트 블록에 소켓시키고, 그 위에 모래층을 포설한 상태에서 말뚝길이, 소켓길이, 모래층의 상대밀도 등을 변화시켜 단일말뚝에 대한 수평하중 재하실험을 실시하였고, 2×3 배열의 무리말뚝에서 말뚝길이를 변화시킨 모형실험도 실시하였다. 그리고 단일말뚝에 대한 L-pile(Ensoft, inc, 2007) 해석을 실시하여 모형실험과 수치해석에 의한 말뚝의 수평거동 특성을 비교 및 분석하여 다음과 같은 결론을 얻었다. 수평하중을 받는 말뚝에 대한 모형실험 결과, 말뚝길이가 길어질수록 항복하중은 감소하였고, 콘크리트 블록에 근입되는 소켓길이와 모래층의 상대밀도가 커질수록 항복하중은 증가하는 경향을 나타냈다. 모형실험 결과에서 수평하중을 항복하중으로 정규화시키고 지반면 변위를 말뚝직경으로 정규화시킨 P/Py-y/D 곡선은 실험조건에 관계없이 비슷하게 나타났다. 따라서 수평하중을 받는 암반에 소켓된 콘크리트 말뚝의 하중-변위 관계를 으로 제안하였다. 모형실험에 의한 무리말뚝의 효율은 0.53∼0.69로 나타났고, 이는 Oteo(1972)가 제시한 0.50보다 다소 크게 나타났다. 그리고 모형실험 결과로부터 산정한 수평 지반반력계수는 대략 6,900~21,000kN/m3으로 나타났다. 모형실험에 의한 지반반력계수는 모래층의 상대밀도가 커지면 증가하였지만, 말뚝길이가 길어지면 급격히 감소하는 경향을 나타냈다. 그러나 소켓길이가 커지면 지반반력계수는 약간 감소하거나 비슷하게 나타났다. 수평하중을 받는 단일말뚝의 변위는 모든 실험조건에서 거의 직선적으로 발생하였고, 모형실험이 끝난 후 확인한 결과 콘크리트 블록에 소켓된 부근에서 말뚝의 전단파괴가 발생하였다. L-pile(Ensoft, inc, 2007)에 의한 단일말뚝의 수평하중-변위 곡선은 모형실험 결과와 비슷하게 나타났고, 하중-변위 곡선에서의 강성도는 모형실험 결과 보다 크게 산정되었다. L-pile(Ensoft, inc, 2007)에 의한 말뚝길이와 소켓길이의 변화에 따른 항복하중은 모형실험 결과 보다 약간 크게 나타났지만, 그 차이는 그리 크지 않았다. 소켓길이가 증가함에 따라 항복하중과 항복시의 수평변위 모두 증가하는 것으로 나타났고, 말뚝길이가 길어짐에 따라 항복하중은 약간 감소했지만, 항복시의 수평변위는 다소 증가하는 경향을 나타냈다.

BSC를 基盤으로 하는 政府出捐硏究機關 成果管理制度의 發展方案에 關한 硏究 : 韓國基礎科學支援硏究院을 中心으로

박종운 忠南大學校 行政大學院 2011 국내석사

The environment surrounding an organization, which is continuously changing, affect the organization in a direct and/or indirect manner. The environment of the public sector has required the public organization to strengthen its efficiency and effectiveness. In response to these trends, many countries have made effort to strengthen the organizational performance management since the early 1980's. Since the late 1990's, the Korean Government has also made effort to strengthen performance management in public sector. The government-supported research institutes(GSRIs) in Korea has contributed toward national development through R&D in the field of national policy for major issues and science & technology, since the early 1970's. However, performance management system of GSRIs has become bureaucratic and uneffective due to direct control by the government and non-application of market principles for a long period. GSRIs has not given emphasis on the performance management on the reason that it is difficult to measure the results of R&D. In order to solve these problems, the government management system was restructured to the research council system in 1999. It seems that the research counsil system also failed to resolve the problems for last five years. So, the institutional environment continuously and strongly requires GSRIs to further improve its efficiency and effectiveness. The objective of this paper is to find ways to operate efficiently for the Korea Basic Science Institute(KBSI)'s BSC or this purpose, This paper validate the necessity of introducing the BSC through a systematic analysis of performance management system, a theoretical consideration on the BSC, an analysis of practical example, and analyze the KBSI's practical management example. The PMS in this paper, which is based on the BSC model developed by Kaplan and Norton in 1996, is a comprehensive organizational operation system, not just a performance management system. The main characteristics of the system can be summarized as follow ; - To develop a vision of the organization based on the analysis results of the internal and external environment, - To achieve its vision more effectively through the concentration of its capacity and effort on important objectives, - To enables the organization to measure the performance results with balanced indicators, which utilize quantitative and quantitative indicators as well as financial and non-financial indicators, and, - To improve the organizational efficiency and effectiveness through more systematic and fair measurement of performance and its feedback. In order to achieve the objective of this paper, the status of performance management in GSRIs was investigated and reviewed based on the theory of performance management. In addition, the status and problems of PMS of the Korea Basic Science Institute(KBSI) introduced in 2007 were also analyzed, which was utilized to develop a strategy to introduce efficiency management of PMS into GSRIs. Based on the results of theoretical analysis and survey completed by KBSI's members, the development way of KBSI's strategic performance management system is proposed. The main development way of the system can be summarized as follow ; - Need to strengthen linkage between division task and performance indicators, - Need to minimize generosity trend of setting the value of goal, - Need to adjust to the value of goal and performance indicators, - Need to develop qualitative indicators, - Need to strengthen linkage between personal assessment and compensation, - Need to secure ability of performance management department - Need to shift management strategy focused on performance evaluation from management strategy focused on performance management, - Need to attract voluntary participation from members, - Need to secure various channels of communicating with members, - Need to strengthen education of performance management. It is essential for the sustainable development of a organization to improve capability to analyze and effectively respond to the technical and institutional environment, to concentrate on the achievement of the vision and objectives, and to fairly measure the performance and utilize its results to improve the organizational efficiency and effectiveness. It is expected that PMS, which has the above-mentioned characteristics, will be widely applied to the public organizations in Korea in the near future. Under the circumstance which requires continuous improvement of the organizational effectiveness in public sector, it is necessary and desirable for GSRIs to voluntarily and actively adopt a system like PMS to strength the efficiency and effectiveness of the organization.

교회의 노인목회에 관한 발전방안 연구 : 노인복지 프로그램을 중심으로

박종운 총신대학교 목회신학 전문대학원 2005 국내박사

본 연구의 목적은 지역교회의 노인복지활동의 현황을 청주 지역의 교회을 중심으로 조사하여 효과성(effectiveness)을 분석함으로써 그 결과를 바탕으로 본 연구자가 시무하는 교회의 노인복지활동의 발전방안을 모색하는데 있다. 본 연구의 연구문제는 다음과 같다. 1. 교회를 중심으로 한 노인복지활동은 어떠한가? 첫째, 지역 교회를 중심으로 한 노인복지활동의 투입(input)요소로서 사회복지 인식과 전문성, 자원 충당은 어떠한가? 둘째, 지역교회 사회복지활동의 전환과정으로서 조직, 전달체계 및 실천과정(thr oughput)은 어떠한가? 셋째, 지역교회 노인복지활동의 산출(output)로서 제공되는 서비스의 내용 중 노인대학은 어떠한가? 2. 지역교회 노인복지활동의 문제점 및 발전방안은 무엇인가? : 효과성에 대한 분석결과를 중심으로 첫째 지역교회 노인복지활동 효과성의 각 요소(투입, 전환, 산출)들은 서로 어떤 관련성이 있는가? 둘째, 지역교회 노인복지활동의 문제점은 무엇인가? 셋째, 지역교회 노인복지활동의 효과성을 향상시킬 수 있는 방안은 무엇인가? 본 연구의 분석틀은 조직효과성 기준으로서 사회복지조직을 환경과의 상호작용을 통해 투입, 전환, 산출을 순환하는 유기적인 체계로 인식하는 체계론적 접근모형을 적용하여 인간봉사조직의 조직 분석틀을 적용하고자 한다. 연구를 위한 기초적인 자료는 문헌조사를 통해 수집하고 지역교회에서 설문조사와 면접조사를 병행하였다. 조사대상기관은 현재 청주지역의 4개 교회 가운데서 설문조사에 응답하여 조사가 이루어졌다. 응답자는 각 교회에서 사회복지활동을 책임지고 있는 담당자와 노인분과장 또는 노인분과위원들로 하여 대상자가 본 조사에 응답하였다. 조사도구로는 본 연구에서 조사하고자 하는 지역교회의 노인복지활동에 관한 투입, 전환, 산출에 해당하는 각 요소에 대해서 척도를 단순 척도로 구성하였다. 분석방법으로는 수집된 자료를 SPSS Win 프로그램을 이용하여 통계처리 한 후, 일반적 사항, 투입, 전환, 산출에 해당하는 각 요소들을 빈도(Frequency)와 백분율을 통해 집중경향을 조사하였다. 이 같은 조사결과를 바탕으로 결론적 제언을 하면 다음과 같다. 1) 사회복지의 기본적인 요소로 볼 수 있는 투입요소들이 현재 지역교회에서는 노인복지 서비스를 수행하기에는 부족한 상황이므로 이에 대한 보완이 이루어져야 할 것이다. 2) 마찬가지로 사회복지의 기본적인 요소인 자원을 확보하기 위해 선행되어야 하는 것 중의 하나는 노인복지활동의 전담 조직을 구성하는 것이다. 3) 기존의 지역교회 구조와 여러 가지 교회 여건상 어려울 경우에 노인복지활동의 활성화를 위해 우선적으로 제안하고자 하는 것은 지역교회 신자들의 자원봉사자로서의 활용도를 높이는 것이다. 4) 자원확보와 관련하여 예산이 부족한 지역교회에서 노력해야 할 부분 중의 하나는 이미 소유하고 있는 예배당의 시설을 지역사회에 적극적으로 개방하여 범종교적인 장소로 전환하는 노력이 있어야 한다. 5) 요보호 노인들을 위한 소공동체나 일반 노인들, 노인들의 가족들을 위한 프로그램에 대한 개발 작업도 이루어져야 한다. 6) 지역교회 조직에서 이 모든 것들이 가능할 수 있기 위해 가장 중요한 점으로 들 수 있는 것은 그 교회의 목회를 책임지고 있는 담임목사의 역할이다. 사회복지활동을 교회 목회의 중요한 부분으로 인식하여 다양한 연구와 노력, 실천들을 병행할 수 있도록 하기 위해서는 담임목사의 사회복지활동의 필요성에 대한 인식과 이해가 선행되어야만 한다. The purpose of this article is to investigate the status of the social welfare activities for the elderly in Local Churches focusing in Chung-ju, analyze its effectiveness, and seek for a development plan of the social welfare activities for the elderly in Local Churches. The research questions of this study are as follows: Focusing on the Local Churches. How are the social welfare activities for the elderly? First How are recognition of social welfare, specialization and appropriation of resources as input factors of the social welfare activities for a School of elderly in Churches? Two focused on a Local Churches how are the organizational transmission system, throughout as a conversion process of the social welfare activities for the elderly? Third How are the contents of services provided as the output of the social welfare activities for the elderly in a Local Churches? What are the problems and development plans of the social welfare activities for elderly in a Local Churches? Focused on the analyzed results to effectiveness. First What correlation does each factor of the effectiveness of the social welfare activities of the elderly in a Local Churches(input, conversion, output) have between one another? Two What are the difficulties of the social welfare activities for the elderly in a pLocal Churches? Third What are the plans to improve the effectiveness of the social welfare activities in a Local Churches As the reference of organizational effectiveness, the General System Theory recognize a social welfare organization as an organic system cycling in input, conversion and output through interaction with environment, organizational analysis frame of human service organization will be applied. Basic data for this study was gathered through a survey of literature, and a questionnaire survey and interview was used in parallel. As a research subject institution, 4 Local Churches in Chung-ju City by chairperson and its members of a sub-committee for the elderly responded to this research. As a research instrument, to each factor falling under input, conversion and output to the social welfare activities for the elderly in a subject Local Churches, measure was composed. As an analysis method, collected data was statitistically processed using the SPSS Win, each factor falling under general item, input, conversion and output were intensively explored through frequency and percentage. Based on these research results, the following conclusive suggestions are made. 1) First, input factors as the basic factors of social welfare are lacking for the present Local Churches performance of the social welfare service for the elderly, so it should be supplemented. 2) One to be preceded for securing resources, the basic factor of social welfare is to organize a dedicated entity of the social welfare activities for the elderly. 3) The suggestion this research would like to present to activate the social welfare activities for the elderly when the existing parish structure and conditions are difficult is to enhance the availability of volunteers composed of the parish believers. 4) In relation with securing resources one of the parts in a Local Churches lacking in budget has to make an effort for it to positively open the existing Local Churches facilities to the community and exert itself to be transmitted to a pro-religious place. 5) A development plan to the programs for the small community for the elderly in need and the general elderly and their families should be established. 6) The role of the Father in charge of the priestly duties of the Local Churches is the most important point to make possible all these things in the Local Churches called a our local. For the social welfare activities to be recognized as an important part and various researches, efforts and practices to be performed in parallel, the leading Local Churches Pastor's awareness and understanding of the need of the social welfare activities should be preceded.

이층지반에 놓인 전면기초의 하중분담률 연구

박종운 계명대학교 2004 국내석사

일반적으로 무리말뚝의 설계에서 래프트의 지지력은 무시하고 모든 하중을 말뚝이 지지한다고 가정하는데, 이는 말뚝과 래프트 사이의 복합적인 거동특성과 상호간섭효과 등에 대한 불확실성 때문이다. 그러나, 말뚝지지 전면기초에서는 래프트가 지반과 접촉하고 있기 때문에, 래프트의 지지력을 고려하지 않는 것은 실제 지지력을 과소평가하고, 비경제적인 설계가 될 수 있다. 본 논문에서는 쇄석층과 사질토층으로 이루어진 이층지반에서 비접촉 무리말뚝과 말뚝지지 전면기초의 항복하중, 래프트 하중분담률, 군효율, 말뚝의 효율, 말뚝위치에 따른 하중분포 등에 관한 연구를 수행하였다. 이를 위하여 모형지반의 상대밀도(D_(r)=27.4, 47.4, 76.3%), 말뚝간격(3D, 4D, 5D, 6D), 말뚝배열(2×2, 2×3, 3×3) 등을 변화시켜, 비접촉 무리말뚝과 말뚝지지 전면기초에 대하여 모형실험을 실시하였다. 연구결과, 말뚝지지 전면기초의 항복하중은 말뚝간격이 넓어짐에 따라 다소 증가하지만, 그 차이는 그리 크지 않고, 비접촉 무리말뚝과 말뚝지지 전면기초의 항복하중 차이는 지반이 느슨할수록 크게 나타났다. 말뚝지지 전면기초의 래프트 하중분담률은 지반의 상대밀도, 말뚝배열 및 말뚝간격에 따라 5~20% 정도로 나타났다. 무리말뚝의 군효율은 지반의 상대밀도, 말뚝간격 등의 영향을 받는 것으로 나타났다. 위치에 따른 말뚝 하중은 중앙부 말뚝이 가장 크고, 외곽부로 갈수록 작게 발생하였다. General design method of the group pile assumes that only the piles support all the external loads, with ignoring the bearing capacity of raft, due to the uncertainty of the behavior characteristics and mutual interference effects among the raft-pile-soil. But this approach underestimates the bearing capacity of the piled raft and is not reasonable, because the raft itself is contact with the Subsoils. In this study the model tests were executed to evaluate the yielding load, load bearing ratio, group efficiency and load distribution of the piled raft on two-layered soils. The relative density, pile spacing(3D, 4D, 5D, 6D) and pile array(2×2, 2×3, 3×3) were varied in model tests. As the results of this study, the yielding load of piled raft increased somewhat as the pile spacing widened. The difference of yielding load between the piled raft and the freestanding group pile increased with decrease of the relative density of sands. The load bearing ratio of piled raft was 5~20%, depending on the relative density of sands, pile array type and pile spacing. The efficiency of group pile depended on the relative density and pile spacing. The load acting on center pile was the highest, and that was decreased toward the exterior.

直交, 媒介 및 極方程式을 이용한 圓의 性質에 관한 硏究

朴鍾雲 인천대학교 2001 국내석사

In this paper, we, being based on the theory of geometry, investigate the definition of a circle using rectangular, parametric and polar equation and study their properties. In chapterl, we define a circle through some methods using rectangular coordinate on the plane and study the various properties of this. In chapter2, we define the tangent line- of a circle and study the equation of a tangent line of a circle. In chapter3, we define the radical axis, radical center and a circle of the common axis. Especially, we study the geometrical properties of radical axis. In chapter4, we define the inverse point and the inverse curve and study their various properties. In chapters, we define a polar and pole from the definition of unharmonic ratio and a harmonic dotted row and study their properties. And we define the conjugate points and a conjugate line. In chapter6, we investigate a parametric equation of a circle and the curve drawn by a circle. In chapter7, we define a polar equation- of a circle and prove the properties of a circle using a polar equation.

지방자치실시와 지방예산구조 변화에 관한 연구 : 서울시 강동구와 경기도 부천시에서의 선출직의 영향력을 중심으로

박종운 서울대학교 행정대학원 2001 국내석사