Effectiveness of Program Based on Educational Activities in Acquiring Geometric Concepts and Developing Spatial Sense Skills among Students of Classroom Teacher Department at Faculty of Education - Dhamar University. tu.edu.ye.journals [Internet]. 2025 Dec. 27 [cited 2026 May 29];14((2):76-114. Available from: https://journal.tu.edu.ye/index.php/edu/article/view/2992