Atwa , Z., Sulayeh, Y., Abdelhadi , A., Jazar , H. A., & Eriqat , S. (2022). Flipped Classroom Effects on Grade 9 Students’ Critical Thinking Skills, Psychological Stress, and Academic Achievement. International Journal of Instruction, 15(2), 737–750. Retrieved from https://e-iji.net/ats/index.php/pub/article/view/409