Letwar, Erol S., Agusthina Risambessy, and Pieter N. R. Rehatta. “The Effect of Transactional Leadership on Employee Performance through Locus of Control As a Mediating Variable”. Public Policy : Jurnal Aplikasi Kebijakan Publik dan Bisnis 6, no. 2 (September 29, 2025): 543–555. Accessed April 21, 2026. https://unidjar.id/index.php/ppj/article/view/226.