Al-Habbari, Samar Gamal. “E-Marketing of Information Services in Yemeni Private University Libraries in Sana’a City”. Arab Journal for Sciences and Research Publishing 9, no. 2 (June 30, 2023): 114–136. Accessed December 19, 2025. https://www.ajsrp.ojsexpert.com/index.php/ajsrp/article/view/6522.