Tutuko, Bambang, Ahmad Hudaifah, M. Asyhad, Paramita Setyaningrum, and Irvan Adhin Cholilie. “MUDHARABAH AGRI-CROWDFUNDING IN THE EX-CLAY MINE UTILIZATION PROGRAM OF PT. SEMEN INDONESIA (PERSERO), TBK. CAMPUS OF C UNIVERSITAS INTERNASIONAL SEMEN INDONESIA”. al-Uqud : Journal of Islamic Economics 3, no. 2 (July 16, 2019): 133–148. Accessed May 13, 2024. https://journal.unesa.ac.id/index.php/jie/article/view/4351.