Oluchi J. Agugoesi; Agnes O. Okeke; Mercy C.N Onyeagba; Njideka G. Mbelede; Ursula N. Akanwa; Patience C. Agommuoh; Ifeoma C. Metu; Ijeoma Awa Kalu; Gabriel C. Alonta; Ngozi E. Ezenwosu; Nneka C. Ezeugo; Lydia I. Eleje; Adeline N. Anyanwu. Flipped Instructional Strategy: Its Interaction Effect on Students Achievement And Engagement In High School Test And Measurement Course. kuey 2024, 30, 4803-4816.