Alhadoor, Dr. Zaid Ahmad Nasser. 2022. “The Efficiency Strategies of the Flipped Classroom and Differentiated Instruction in Teaching Mathematics According to a Meta-Analysis of the Results of Studies Published in Some Arab Periodicals During the Period (2015-2021)”. Humanities and Educational Sciences Journal, no. 24 (July): 372-419. https://doi.org/10.55074/hesj.v0i24.518.