Thuy, Nguyen, and Nguyen Son. “Factors Affecting Individual Productivity: Case Study of Workers of Petrovietnam Ca Mau Fertilizer Joint Stock Company”. VNUHCM Journal of Economics - Law and Management 5, no. 4 (August 15, 2021): 1929-1938. Accessed July 1, 2025. http://stdjelm.scienceandtechnology.com.vn/index.php/stdjelm/article/view/773.