QOMAR, Moh. Nurul; SALAMAH, Anissatus. Analysis of Mahada Cooperative System in Relation to Hatta Cooperative and Shariah Cooperative Concept: Analisis Sistem Koperasi Mahada Dan Relevansinya Dengan Konsep Koperasi Hatta dan Koperasi Syariah. El-Qist: Journal of Islamic Economics and Business (JIEB), Surabaya, Indonesia, v. 11, n. 2, p. 182–196, 2021. DOI: 10.15642/elqist.2021.11.2.182-196. Disponível em: https://jurnalfebi.uinsa.ac.id/index.php/elqist/article/view/748. Acesso em: 20 feb. 2026.