ديوب نوار, and يسرى زريقة. “The Reasons for Scientific Competencies Migration, and Its Effects on Social and Economic Development”. Tishreen University Journal- Arts and Humanities Sciences Series 45, no. 3 (July 5, 2023): 155–166. Accessed July 3, 2024. https://journal.tishreen.edu.sy/index.php/humlitr/article/view/14913.