Chaiphisit, Sorawit, and Noah Anburaj Balraj. “Employee’s Perception of Effectiveness of Motivation Programs for Regular Workers of Asia-Pacific International University”. Abstract Proceedings International Scholars Conference 6, no. 1 (October 29, 2018): 203. Accessed June 15, 2021. https://jurnal.unai.edu/index.php/isc/article/view/1288.