Mohamed مإس. AUTHOR INDEX (Volume 21 – 2017): Author index of papers published in the " University of Aden Journal of Natural & Applied Sciences" and their addresses Volume 21 (April - December 2017). Univ. Aden J. Nat. and Appl. Sc. [Internet]. 2018 Apr. 30 [cited 2024 Nov. 21];22(1):81-85 & 231. Available from: https://uajnas.adenuniv.com/index.php/uajnas/article/view/157