TRISWANTO, H. The Effect of Intrinsic and Extrinsic Motivation on Employee Performance Productivity PT. Timbang Deli Indonesia. Journal of Management Science (JMAS), [S. l.], v. 3, n. 4, p. 115–121, 2020. Disponível em: https://exsys.iocspublisher.org/index.php/JMAS/article/view/64. Acesso em: 18 apr. 2026.