Martin, Brian. “Wanprestasi Oleh Koperasi Simpan Pinjam: Bagaimana Dampak Hukumnya?”. Legal Spirit 8, no. 1 (April 5, 2024): 139–148. Accessed May 9, 2025. https://publishing-widyagama.ac.id/ejournal-v2/index.php/jhls/article/view/5148.