Amalia, R. and Lubis, R. K. . (2021) “The Effect of Education and Job Training on Increasing Employee Productivity at PT. Sagami Indonesia”, Journal of Management Science (JMAS), 4(2), pp. 28–32. Available at: https://exsys.iocspublisher.org/index.php/JMAS/article/view/93 (Accessed: 27July2026).