Sapwan, Muhammad. “Analysis Of Product Innovation Models In Increasing Customer Interest In BMT Tunas Harapan Syariah”. Al-Qardhu 3, no. 01 (September 18, 2024): 1–14. Accessed September 17, 2026. https://jurnal.iaihpancor.ac.id/index.php/alqardhu/article/view/1641.