ADAM, Assadik Ahmad. The System of Government in The Sultanate of Wadai (1615 – 1900). Journal of Humanities & Social Sciences, New Mexico, United States, v. 5, n. 14, p. 116–109, 2021. DOI: 10.26389/AJSRP.Q090321. Disponível em: https://ajsrp.ojsexpert.com/index.php/jhss/article/view/4329. Acesso em: 20 dec. 2025.