Hasanudin, Slamet Hasanudin. “Koperasi Syariah : Sarana Pembinaan Alternatif Kesejahteraan Masyarakat Kecamatan Sagulung Batam”. Jurnal Ilmiah Ekonomi Islam 8, no. 2 (July 6, 2022): 1661–1678. Accessed February 23, 2026. https://jurnal.stie-aas.ac.id/index.php/jei/article/view/4883.