Abu, Yazid, and Ahmad Syauqi. “Human Capital Quality and Bank Size: Unpacking Workforce Productivity in Indonesian KBMI 4 Banks”. Economics and Digital Business Review 7, no. 2 (July 10, 2026): 419–434. Accessed July 15, 2026. https://ojs.stieamkop.ac.id/index.php/ecotal/article/view/3965.