“The Effect of a Unit of Study in Mathematics Designed in the Light of the STEM Integrative Approach in Developing Mathematical Problem-Solving Among Gifted Students at the Secondary Stage”. Sana’a University Journal of Human Sciences 3, no. 1 (May 30, 2023). Accessed June 25, 2026. https://journals.su.edu.ye/index.php/jhs/article/view/113.