AMALIA, R.; LUBIS, R. K. . The Effect of Education and Job Training on Increasing Employee Productivity at PT. Sagami Indonesia. Journal of Management Science (JMAS), [S. l.], v. 4, n. 2, p. 28–32, 2021. Disponível em: https://www.exsys.iocspublisher.org/index.php/JMAS/article/view/93. Acesso em: 30 apr. 2026.