“Pengaruh Rasio Profitabilitas Terhadap Kontribusi Dana Zakat Bank Umum Syariah Di Indonesia”. Indonesian Journal of Islamic Economics and Business, vol. 4, no. 1, June 2019, pp. 52-67, https://e-journal.lp2m.uinjambi.ac.id/ojp/index.php/ijoieb/article/view/628.