Psychology Units Involvement Coefficient in the Textbooks of Philosophy and Human Sciences for Secondary School Students in the Syrian Arab Republic. مجلة للعلوم التربوية والنفسية [Internet]. 2022 Jun. 14 [cited 2026 Jun. 18];38(2). Available from: https://journal.damascusuniversity.edu.sy/index.php/eduj/article/view/5082