Kadir, Muhammad Rusydi. “Sistem Equity Crowdfunding (ECF) Dalam Hukum Di Indonesia”. Az-Zarqa’: Jurnal Hukum Bisnis Islam 13, no. 1 (November 26, 2021). Accessed January 22, 2025. https://ejournal.uin-suka.ac.id/syariah/azzarqa/article/view/2242.