Al-Qahtani HMM, Al Kahlan TS. Obstacles to the application of (STEM) in the teaching of mathematics in the intermediate stage from the perspective of teachers and supervisors in Asir region. JEPS [Internet]. 2017 Oct. 30 [cited 2026 Jan. 24];1(9):42-23. Available from: https://journals.ajsrp.com/index.php/jeps/article/view/147