Mohamed م. إ. س. Publishing Rules and Table of Contents: Volume 24- No.2- October 2020. University of Aden Journal of Natural and Applied Sciences, [S. l.], v. 24, n. 2, p. I-XI, 2020. Disponível em: https://uajnas.adenuniv.com/index.php/uajnas/article/view/79. Acesso em: 19 may. 2024.