Sirait, Marisca Yessica, and Lina Anatan. “Improving the Administrative Staff Performance: A Study of Training and Development Factors”. Jurnal Manajemen Maranatha 23, no. 1 (November 27, 2023): 57–66. Accessed January 18, 2025. http://224305.koshikahk.tech/index.php/jmm/article/view/7596.