AL-SAWWA, A. M.; GHI, M. "Bonds of Benefit and Service, and Risk and Various Steps for a Solution. Journal of College of Sharia and Islamic Studies, [S. l.], v. 33, n. 2, 2015. DOI: 10.29117/jcsis.2015.0126. Disponível em: https://journals.qu.edu.qa/index.php/sharia/article/view/208. Acesso em: 12 may. 2025.