Sofiyanurriyanti, S. “Penerapan Model Strategi Bisnis Pada Koperasi Syariah”. Jurnal Teknik Industri 18, no. 1 (August 24, 2017): 74–85. Accessed July 4, 2024. https://ejournal.umm.ac.id/index.php/industri/article/view/4367.