Mohamed م. إ. س. SUBJECT INDEX (Volume 24 – 2020): Subject index of research papers published in the "University of Aden Journal of Natural & Applied Sciences", and their authors Volume 24 (April- October 2020). University of Aden Journal of Natural and Applied Sciences, [S. l.], v. 25, n. 1, p. 59–63 & 211, 2021. Disponível em: https://uajnas.adenuniv.com/index.php/uajnas/article/view/106. Acesso em: 9 may. 2024.