Maulana, Agus, and Raju Maulana. “When the Leader Is Born As A Competitor (WLBC)”. UPI YPTK Journal of Business and Economics 6, no. 3 (August 26, 2021): 98–106. Accessed April 25, 2026. https://jbe-upiyptk.org/ojs/index.php/jbe/article/view/12.