Turnip, W. J. (2020) “Effect of Motivation and Work Environment on Employee Performance of PT. Rottela Persada Mandiri Perbaungan”, Journal of Management Science (JMAS), 3(1), pp. 13–18. Available at: https://exsys.iocspublisher.org/index.php/JMAS/article/view/43 (Accessed: 17April2026).