Thien-Vu Giang. “The Impact of Salary and Social Welfare on Working Motivation of Vietnamese Official-Lecturers: Passion Overcome the Difficulties”. Global Journal of Human-Social Science 20, no. G6 (May 15, 2020): 33–42. Accessed May 4, 2024. https://socialscienceresearch.org/index.php/GJHSS/article/view/3274.