Amalia, Desita Nur, and Rusdi Hidayat Nugroho. “Leader Behavior, Ability and Work Motivation in Developing Employee Productivity”. International Journal of Economics Development Research (IJEDR) 5, no. 5 (November 28, 2024): 4345–4360. Accessed July 4, 2025. https://yrpipku.com/journal/index.php/ijedr/article/view/5689.