Mohamed م. إيمان سلام. “Publishing Rules and Table of Contents: Volume 25- No.1- April 2021”. University of Aden Journal of Natural and Applied Sciences 25, no. 1 (April 30, 2021): I-X. Accessed May 9, 2024. https://uajnas.adenuniv.com/index.php/uajnas/article/view/99.