Effect of Flipped Instructional Strategy on Performance and Motivation in Wave Concept among Low-Achieving Secondary School Physics Students in Zaria, Kaduna State, Nigeria. KJE [Internet]. 2025 Dec. 31 [cited 2026 Oct. 27];9(2):196-208. Available from: https://kasherejournalofeducation.org/index.php/kje/article/view/202