ALWAJEH, Mohamed Kayed Hassan. (Business activity in Aden in the Tahiri era (858 - 923 AH / 1451 - 1517 AD. Journal of Economic, Administrative and Legal Sciences, New Mexico, United States, v. 2, n. 3, p. 27–1, 2018. DOI: 10.26389/AJSRP.M171217. Disponível em: https://ajsrp.ojsexpert.com/index.php/jeals/article/view/599. Acesso em: 20 dec. 2025.