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MARTONO, S.,NURKHIN, Ahmad,MUKHIBAD, Hasan,ANISYKURLILLAH, Indah,WOLOR, Christian Wiradendi Korea Distribution Science Association 2020 The Journal of Asian Finance, Economics and Busine Vol.7 No.10
This study aims to understand the determinant of the employee's intention to use information system within the framework of the Technology Acceptance Model (TAM) and Information System Success Model (ISSM). This paper also aims to examine the influence of ISSM dimension on the perceived usefulness and the perceived ease of use. The research respondents were 248 employees of Universitas Negeri Semarang (UNNES) who are users of the Financial Information System (SIKEU). Data was obtained using a questionnaire that was distributed online via Google form. The data analysis method used is Structural Equation Model (SEM) analysis using the Warp-PLS software. The results showed that the dimensions of TAM (perceived ease of use and perceived usefulness) had a positive and significant influence on the employee's intention to use SIKEU. The ISSM dimension (system quality and information quality) also had a significant influence, although other ISSM dimensions (service quality) had not been proven to have a significant influence on the employee's intention to use SIKEU. Moreover, the results showed that the employee's intention to use is a determinant of SIKEU's actual usage. Perceived ease of use was significantly determined by system quality, information quality, and service quality. In addition, the perceived usefulness was significantly determined by system quality and information quality.
MARTONO, S.,KHOIRUDDIN, Moh.,WIJAYANTO, Andhi,RIDLOAH, Siti,WULANSARI, Nury Ariani,UDIN, Udin Korea Distribution Science Association 2020 The Journal of Asian Finance, Economics and Busine Vol.7 No.6
This study seeks to examine empirically the effect of leadership style on organizational commitment and organizational effectiveness. The data are from all departments of the undergraduate program at the State University in Central Java, Indonesia. The study comprises all divisions of the undergraduate program, which amounted to 207 people. The method for sampling is based on simple random sampling. Structural equation modeling (SEM) is applied in order to analyze the data. The results show that integrative adaptive leadership style has a positive effect on teamwork and affective commitment. Therefore, in order to improve teamwork, the organization should be assisted in completing the introduction of collaborative conflict resolution. Moreover, affective commitment positively affects organizational effectiveness. Thus, it can be said that efforts to improve the organizational effectiveness, should be supported by affective commitment. The study further revealed that integrative adaptive leadership style has a positive effect on teamwork. This means better execution of integrative adaptive leadership, higher level of coordination and vice versa. Each member has different responsibilities and duties, and it can be done or resolved in different ways. If the leader can accommodate the creativity of the faculty and staff, a solid team can be formed.
Y. Andi Trisyono,Valentina E.F. Aryuwandari,Teguh Rahayu,Edhi Martono 한국응용곤충학회 2017 Journal of Asia-Pacific Entomology Vol.20 No.2
Background: Resurgence of the rice brown planthopper (BPH), Nilaparvata lugens Stål (Hemiptera: Delphacidae) is often induced by application of insecticides at sublethal concentrations. Etofenprox is an insecticide that has been registered and used in Indonesia to control BPH. The objective of this study was to determine the effects of etofenprox on the fecundity of susceptible-laboratory adapted population of BPH. Results: Etofenprox was applied at its LC50 (98.98 mg a.i. l−1) and its sublethal concentration (LC10: 2.26 mg a.i. l−1) to the third instars and adults. Different exposure times for the third instars (one and three-consecutive generations) were employed to determine a short and long term effects of etofenprox. Effect on adults was evaluated by exposing five pairs of gravid females on etofenprox treated and non treated rice plants. Etofenprox applied at the estimated LC50 and LC10 did not stimulate an increase in fecundity of females produced from nymphs exposed to etofenprox for one and three consecutive generations. Exposure of gravid females on the treated rice plants did not change the production of nymphs compared to the control females. Conclusion: These findings suggest that the risk of BPH resurgence by etofenprox through increasing the fecundity is minimum.
Morina Adfa,Fio Livandri,Neva Putri Meita,Syalfinaf Manaf,Masayuki Ninomiya,Irfan Gustian,Agus Martono Hadi Putranto,Rochmah Supriati,MamoruKoketsu 한국응용곤충학회 2015 Journal of Asia-Pacific Entomology Vol.18 No.1
The termiticidal activity of n-hexane and methanol fractions of Acorus calamus Linn rhizomes against Coptotermes curvignathus Holmgren was investigated. Both fractions have demonstrated strong termiticidal activity. The activity of n-hexane fraction was stronger than that of the methanol fraction. Based on GC-MS data, β-asarone was found to be a major constituent of n-hexane fraction (70.1%) and isolation of β-asarone was carried out on column chromatography to afford as a yellow oil in 59.1% yield. Furthermore, the antitermite properties of β-asarone and α-asarone of the isomer were investigated. Our data suggested that the two asarone isomers have insect control potential. These findings lead to the discovery of more environmentally friendly termiticides against C. curvignathus.