Mohamed م. إ. س. SUBJECT INDEX (Volume 22 – 2018): Subject index of research papers published in the "University of Aden Journal of Natural & Applied Sciences", and their authors Volume 22(April- August 2018). University of Aden Journal of Natural and Applied Sciences, [S. l.], v. 23, n. 1, p. 139–144 & 253, 2019. Disponível em: https://uajnas.adenuniv.com/index.php/uajnas/article/view/14. Acesso em: 15 may. 2024.