قرع س.ص.أ. and عبدالله أ.ق. 2026. THE EFFECT OF USING THE FLIPPED LEARNING STRATEGY ON DEVELOPING ACADEMIC ACHIEVEMENT AMONG THIRD-YEAR SECONDARY SCHOOL STUDENTS IN ISLAMIC EDUCATION. Electronic Journal of University of Aden for Humanity and Social Sciences. 7, 3 (Sep. 2026), 599–613. DOI:https://doi.org/10.47372/ejua-hs.2026.3.567.