“Pola Operasional Koperasi Syariah: Studi Kasus Koperasi Baitul Mal Wat Tamwil Al-Ikhlash Lumajang: Operational Model of Sharia Cooperative: A Case Study of Baitul Mal Wat Tamwil Al-Ikhlash Cooperative, Lumajang”. Fenomena 5, no. 2 (July 1, 2006): 1–10. Accessed August 23, 2025. https://fenomena.uinkhas.ac.id/index.php/fenomena/article/view/388.