“…The concept of work motivation has long been interested by many authors worldwide and in Vietnam. Some common views on work motivation from authors around the world include: motivation is a direction for a person in action, it is the cause that makes people want to continue or give up their actions (Elliot, Covington, 2001); work motivation drives individuals to do/not to do something (Broussard, Garrison, 2004); work motivation is the willingness to endure difficulties in order to achieve organizational goals (Laskova, 2007); work motivation represents the direction and intensity of human behavior (Dornyei, Ushioda, 2011); work motivation helps to adjust and direct human actions towards the desired pattern (Griffin, 2013); work motivation is the cause that explains why people decide to act, how long they sustain activity, and how hard they pursue it (Han, Yin, 2016); work motivation is the effort stimulating people at work with the desire to achieve personal and organizational goals (Munyengabe et al, 2017); work motivation influences the effectiveness and quality of university lecturers' task performance (Nurcholis, 2018;Andriani et al, 2018;Kurniawati, Tobing, 2019;Chukwuedo, Egbri, 2020).…”