“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”. 2006. Fenomena 5 (2): 1-10. https://doi.org/10.35719/fenomena.v5i2.388.