عمر محمد سامي نذير 2026. The Effectiveness of Active Teaching According to the Flipped Classroom Strategy in Acquiring Cognitive Achievement of the Handball Law and Developing Decision-Making Ability. College of Basic Education Research Journal. 22, 2 (Jun. 2026), 82–106. DOI:https://doi.org/10.33899/berj.2026.Vol22.Iss2.61555.