How to pay zakat on mixed and pure Islamic companies. Ibn Khaldoun Journal for Studies and Researches, فلسطين, v. 1, n. 2, 2021. DOI: 10.56989/benkj.v1i2.620. Disponível em: https://www.benkjournal.com/index.php/benkj/article/view/620. Acesso em: 3 apr. 2026.