AL-OTAIBI, Saleh Deifullah. Agricultural activity in the kingdoms of northwest Arabia before Islam. Journal of Humanities & Social Sciences, New Mexico, United States, v. 6, n. 10, p. 38–47, 2022. DOI: 10.26389/AJSRP.L230222. Disponível em: https://www.ajsrp.ojsexpert.com/index.php/jhss/article/view/5561. Acesso em: 20 dec. 2025.