Masnawaty Sangkala. “Analysis of Internal Control System of Cash Receipts and Expenditures of Muhammadiyah Development Islamic Vocational School Tana Toraja”. Khatulistiwa: Jurnal Pendidikan dan Sosial Humaniora 4, no. 4 (December 30, 2024): 01–13. Accessed July 17, 2025. https://researchhub.id/index.php/Khatulistiwa/article/view/6013.