Positive thinking and its relationship to achievement motivation for a sample of students of the Faculty of Science and Education, University of Damascus. مجلة للعلوم التربوية والنفسية [Internet]. 2021 Jul. 29 [cited 2026 Jun. 18];35(2). Available from: https://journal.damascusuniversity.edu.sy/index.php/eduj/article/view/634