Hamzah, Aswan. “The Relationship Between the Scientific Research ‎Crisis and Challenges of Its Production at Yemeni ‎Universities”. Jordan Journal of Educational Sciences 18, no. 3 (November 27, 2022): 419–436. Accessed November 23, 2024. https://jjes.yu.edu.jo/index.php/jjes/article/view/Nom2.