Siagian, Chelika, and Dr. Muhammad Donal Mon. “Factors Affecting Employee Performance in Manufacturing Companies: Empirical Studies in Batam City”. TIJAB (The International Journal of Applied Business) 8, no. 1 (April 1, 2024): 32–44. Accessed June 18, 2024. https://e-journal.unair.ac.id/TIJAB/article/view/43883.