KECHIDA, Ridha; OULED MADHI, Rabeh. Obeid’s contribution Slave markets In the Umayyad economy,. Journal of Social Sciences and Humanities , [S. l.], v. 10, n. 01, 2020. Disponível em: https://journals.univ-msila.dz/index.php/JOSSH/article/view/4635. Acesso em: 22 mar. 2026.