ALZAHRANI, Fayez; NAMNAM, Maher. The virtue of Hajj and Umrah: an analytical study. Ibn Khaldoun Journal for Studies and Researches, فلسطين, v. 2, n. 9, 2022. DOI: 10.56989/benkj.v2i9.586. Disponível em: https://www.benkjournal.com/benkj/article/view/586. Acesso em: 13 jun. 2026.