Rakhim, A. (2006). 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(2), 1-10. https://doi.org/10.35719/fenomena.v5i2.388