GOTAMA, R. . .; SIMAMORA, R. . . Effect of Work Discipline and Loyalty on Employee Achievement of PT. Djasa Sumatra . Jurnal Mantik, [S. l.], v. 5, n. 4, p. 2231-2238, 2022. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/1965. Acesso em: 21 aug. 2026.