“Analysis of Sharia Principles Implementation in Istishna’ Contracts and Its Impact on Customer Satisfaction: A Qualitative Descriptive Study at PT. Mari Beri Faedah”. Maaliyah: Journal of Islamic Economic Law and Islamic Finance 1, no. 2 (December 25, 2025): 118–125. Accessed August 3, 2026. https://ejournal.darunnajah.ac.id/index.php/Maaliyah/article/view/714.