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Continuous Behavior of Using Food Delivery Mobile Applications in Vietnam after Covid-19 Pandemic
Ha Thu LUONG(Ha Thu LUONG ),Nhi Lan DAO(Nhi Lan DAO ),Trang Thu NGUYEN(Trang Thu NGUYEN ),Uyen Thu Thi LA(Uyen Thu Thi LA ),Na Thi Le TRAN(Na Thi Le TRAN ),Hoa Thi DUONG(Hoa Thi DUONG ) 한국유통과학회 2023 유통과학연구 Vol.21 No.3
Purpose: During and after Covid-19 pandemic, technology has emerged as a key factor in supporting the recovery of the economy and the rise of living standards. This study examines seven factors affecting the intention of food delivery apps usage, which include Performance Expectancy, Effort Expectancy, Social Influence, Hedonic Motivation, Price Value, and Habit, and how much influence they have on the customers' behavioral continuance of food delivery apps after Covid-19 Pandemic. Research methodology: This research is a quantitative descriptive research with 473 qualified respondents from 550 respondents collected. Besides using the UTAUT2 model (Venkatesh et al., 2012), Information Quality was added to give a better explanation for the consumers’ intention towards continuance behavior using food delivery apps. The collected data is then processed using SPSS 22.0. Results: Habit factors and Information Quality factors have significant positive effects on promoting food delivery apps usage intention, which in turn influences continuance behavior. In addition, Habit factors and Information Quality factors together have an effect of 48.57% on Behavioral Intention. Conclusion: The result proves that positive habits and food information quality can increase the usage intention towards the behavioral continuance of consumers. Higher usage frequency can be improved by increasing these two factors.
Tran Thi Lan Anh 한국베트남학회 2022 한국베트남학회 학술대회 Vol.2022 No.06
본 연구에서는 베트남에서 교육되고 있는 전문적 한국어 과목 중 베트남인 학생을 위한 전문적 한국어 교육 현황을 분석한 결과, 주로 기존 한국어 교육 및 한국학 교육을 하고 있는 베트남 중부 지방의 중핵 대학에 집중한다. 전문적 한국어 교육이 현재 사회의 요구에 적합하지 못한다는 사실로 인해 전문적 한국어 교육은 기대만큼 효과적이지 못했다. 이러한 바탕으로 본 연구는 한국어 전공을 졸업하는 기준에 접근하면서 졸업한 후의 직업 방향을 이룰 수 있는 해결방안을 제시하는 것을 목적으로 한다. 전체의 효과적이고 전면적인 해결 방안은 베트남 중부지방 전문적 한국어 교육 및 학습 상황을 부분적으로 개선하는 데 도움이 될 것이다.
A regional approach for health risk assessment of toxicants in plastic food containers
Nguyen Lan Binh Thi,Thanh Truc Nguyen Thi,Nguyen Ngoc Tran Thi,Vu Dinh Khang,Lee Byeong-Kyu 한국독성학회 2023 Toxicological Research Vol.39 No.4
Plastic food containers are being used popularly, generating a waste of about 115 million tons in Vietnam. Such waste is causing environmental and health issues. This study conducted a field survey with 250 local people and selected 59 samples out of 135 plastic food containers collected in Go Vap district, Vietnam. Collected plastic samples identified compositions were PET 13.6%, PP 28.8%, PS 16.9%, and 40.7% undefined plastics. Collected plastic samples were classified based on the plastic type using recycling code and quantitatively analyzed with X-ray fluorescence spectroscopy method to assess concentrations of Cd, Sb, Pb, Hg, Sn, Cr, Br, Cl, and S. Most of these collected plastic samples (91.5%) were found to contain 8/9 hazardous substances and most elements contained in these plastics were below their standard thresholds. These elements in plastic samples could be divided as the result into three hazard groups: (1) high hazard group (Sb, Cl, and S); (2) medium hazard group (Cr, Br and Hg); and (3) low hazard groups (Cd, Pb and Sn). Among substances in the high hazard group, element Sb was assessed for its migration because only Sb is regulated in Vietnam in QCVN 12-1: 2011/BYT. Substances of Cl, S, Cr, Br, and Hg (group 1, 2) do not have regulations related to the method of decontamination. Thus, additional health risks need to be assessed using the USEtox model. Finally, this study proposed a screening process to assess the risk of toxicity of elements contained in plastic food containers through ISO 31000:2018.
Melvyn WB Zhang,Bach Xuan Tran,Huong Lan Thi Nguyen,Huong Thi Le,Nguyen Hoang Long,Huong Thi Le,Nguyen Duc Hinh,Tran Dinh Tho,Bao Nguyen Le,Vu Thi Minh Thuc,Chau Ngo,Nguyen Huu Tu,Carl A. Latkin,Roger 대한의료정보학회 2017 Healthcare Informatics Research Vol.23 No.2
Objectives: The average alcohol consumption per capita among Vietnamese adults has consistently increased. Although alcoholrelated disorders have been extensively studied, there is a paucity of research shedding light on this issue among Internet users. The study aimed to examine the severity of alcohol-related disorders and other associated factors that might predispose individuals towards alcohol usage in a sample of youths recruited online. Methods: An online cross-sectional study was conducted with 1,080 Vietnamese youths. A standardized questionnaire was used. Respondent-driven sampling was applied to recruit participants. Multivariate logistic and Tobit regressions were utilized to identify the associated factors. Results: About 59.5% of the males and 12.7% of the total youths declared that they were actively using alcohol. From the total sample, a cumulative total of 32.3% of the participants were drinking alcohol, with 21.8% and 25.0% of the participants being classified as drinking hazardously and binge drinkers, respectively. The majority of the participants (60.7%) were in the pre-contemplative stage. Conclusions: A high prevalence of hazardous drinking was recognized among online Vietnamese youths. In addition, we found relationships between alcohol use disorder and other addictive disorders, such as tobacco smoking and water-pipe usage. Our results highlighted that the majority of the individuals are not receptive to the idea of changing their alcohol habits, and this would imply that there ought to be more government effort towards the implementation of effective alcohol control policies.
Factors Affecting the Development of Vietnamese Construction and Real Estate Companies
Giang Lam PHAN(Giang Lam PHAN ),Thuy Dieu NGUYEN(Thuy Dieu NGUYEN ),Chi Thi NGUYEN(Chi Thi NGUYEN ),Lan NGUYEN(Lan NGUYEN ),Le Thi TRAN(Le Thi TRAN ) 한국유통과학회 2022 The Journal of Asian Finance, Economics and Busine Vol.9 No.9
This study aims to investigate the factors that contribute to the sustainable development of 334 Vietnamese construction and real estate companies listed on the Stock Exchange of Vietnam over a 5-year period from 2016 to 2020. By using regression analysis with the support of STATA software through examining the financial statements, which involves looking into crucial ratios including capital structure, profitability, firm size, accounts receivable management, and tangible assets investment, this study sheds light on whether these accounting indicators could help predict the construction and real estate companies growing potential in the future. Nevertheless, these ratios slightly contribute to the explanation of the change in revenue growth ratio, with a result of 1.6%, indicating that the value relevance of accounting information provides a modest and insignificant effect on investment decisions. This is understandable because the Vietnamese construction and real estate market still has many shortcomings in handling unexpected events, as well as the industry’s peculiarities related to major capital sources from bank loans. Based on this study, governmental authorities and business executives should plan appropriate risk management policies and measures to contribute to the sustainable development of construction and real estate companies.
Fabrication and Characteristics of Fully-sprayed ZnO/CdS/CuInS2 Solar Cells
Tran Thanh Thai,Nguyen Duc Hieu,Luu Thi Lan Anh,Pham Phi Hung,Vo Thach Son,Vu Thi Bich 한국물리학회 2012 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.61 No.9
This paper reports the successful fabrication of deposited Glass/ZnO/CdS/CuInS<sub>2</sub> solar cells with superstrate structure using Full Spray Pyrolysis Deposition (FSPD). The structure, optical and electrical properties of the constituent layers are investigated. It is observed that the CuInS<sub>2</sub> (CIS) film deposited from starting solution with [Cu]/[In] = 1.1, and Al-doped CuInS<sub>2</sub> (CIAS) film deposited from solution with [Cu]/[In] = 1.0, [Al]/[In] = 0.12, and using sulfurization process exhibited the best crystallites with tetragonal structure. The optical band gap of the CIAS film is obtained as 1.49 eV. Some physical properties of both ZnO, and CdS thin films are also studied. The parameters of the cells obtained are V<sub>OC</sub> = 425 mV, J<sub>SC</sub> = 14.02 mA/cm<sup>2</sup>, FF = 28.75% and efficiency of 1.71%. The results in our experiment show that FSPD is a potential technique to prepare solar cells based on CIS absorbers in a superstrate structure with low cost and high performance.