Simanjuntak, Nelson, Fernando Silalahi, and Manotar Tampubolon. “Corruption in Batak Na Raja Perspective”. Journal of Universal Community Empowerment Provision 4, no. 1 (May 31, 2024): 7-15. Accessed April 19, 2026. https://psppjournals.org/index.php/jucep/article/view/335.