Hamdi, Muhammad -. “KOMUNIKASI JUAL BELI LISENSI PAYTREN DALAM TINJAUAN HUKUM EKONOMI ISLAM (STUDI KASUS DI KANTOR PAYTREN CABANG SURABAYA): Paytren”. Indonesian Journal of Islamic Communication 2, no. 2 (December 7, 2019): 131–142. Accessed March 27, 2026. https://journal.jurnalpascauinkhas.com/index.php/IJIC/article/view/128.