Mohammed إ. س. AUTHOR INDEX (Volume 19–2015): Author index of papers published in the " University of Aden Journal of Natural & Applied Sciences" and their addresses Volume 19 (April- August 2015). University of Aden Journal of Natural and Applied Sciences, [S. l.], v. 20, n. 1, p. 111–116 & 243, 2016. Disponível em: https://uajnas.adenuniv.com/index.php/uajnas/article/view/319. Acesso em: 23 jan. 2025.