Ilyas, Fadli, and Ayu Oktaviani. “Employee Training and Development Strategies Using in House Training Method”. ProBisnis : Jurnal Manajemen 14, no. 6 (December 30, 2023): 780–791. Accessed November 21, 2024. https://ejournal.joninstitute.org/index.php/ProBisnis/article/view/430.