Nasution, Siska Amelia, Sri Ramadhani, and Juliana Nasution. “Analysis of Factors Affecting Surplus Underwriting of Sharia General”. Tadbir : Jurnal Studi Manajemen Pendidikan 6, no. 2 (December 15, 2022): 395–410. Accessed March 9, 2025. https://journal.iaincurup.ac.id./index.php/JSMPI/article/view/12398.