Ronnie D. Mendoza, Teresita C. Mendoza, “Work Productivity Involvement Relative to the Organizational Citizenship Behavior and Work Engagement”, Int J Multidis Stud, vol. 4, no. 1, pp. 75–99, Jul. 2022, Accessed: Jul. 21, 2026. Available: https://jmcfijournals.org/ijms/article/view/79