Effects of Flipped Instructional Strategy on Performance and Motivation in Wave Concept among Secondary School Male and Female Students in Zaria Education Zone, Kaduna State, Nigeria. foefujs [Internet]. 2026 Mar. 7 [cited 2026 Apr. 4];6(2):381-9. Available from: https://js.foefugusau.com.ng/index.php/foefujs/article/view/336