Al khawaldeh SA. The Effectiveness of Teaching Strategy Based on Combining Bet. Conceptual Change Texts and Concept Mapping on Ninth Grade Female Students’ Understanding of Human Circulatory System Concepts. JES [Internet]. 2007 Jan. 1 [cited 2025 May 15];11(11). Available from: https://journals.qu.edu.qa/index.php/jes/article/view/325