AbuEnab YAS. The Effectiveness of the Educational Loss Program in Developing Conceptual Comprehension in Science in Public Schools in Ajloun Governorate from The Point of View of school Principals. JEPS [Internet]. 2022 Mar. 30 [cited 2025 Dec. 26];6(14):31-45. Available from: https://journals.ajsrp.com/index.php/jeps/article/view/4945