Samosir, Andi Pandapotan. “Participation of the Catholic Student Association of the Republic of Indonesia in the Change of the Old Order – New Order”. The International Journal of Politics and Sociology Research 10, no. 1 (June 1, 2022): 45–57. Accessed May 30, 2026. https://www.ijobsor.pelnus.ac.id/index.php/ijopsor/article/view/50.