ANGELINE, S.; MANALU, H. . . Analysis of the Influence of Leadership Style and Motivation on the Level of Employee Productivity at PT. Sumber Setamurni. Jurnal Mantik, [S. l.], v. 5, n. 4, p. 2628-2633, 2022. Disponível em: https://www.iocscience.org/ejournal/index.php/mantik/article/view/2055. Acesso em: 1 may. 2026.