Tomisa ME. Penerapan Konsep Syariah Dalam Operasional Koperasi di Kabupaten Bengkalis. iqtishaduna [Internet]. 2012Dec.31 [cited 2025Oct.4];1(2):245-59. Available from: https://ejournal.isnjbengkalis.ac.id/index.php/iqtishaduna/article/view/16