Hassan Arif Abdal. THE EFFECT OF APPLYING THE “FLIPPED CLASSROOM” STRATEGY ON THE ACHIEVEMENT OF PHYSICS AND SYSTEMIC THINKING AMONG FIRST-YEAR MIDDLE SCHOOL STUDENTS. IJEPC [Internet]. 2024 Sep. 24 [cited 2025 Jun. 7];9(53). Available from: https://gaexcellence.com/ijepc/article/view/3774