1.
Green B. Improvisation of instructional materials and junior secondary school students’ academic achievement in basic science in Rivers State, Nigeria. FNAS-JMSE [Internet]. 2023 Dec. 30 [cited 2024 Oct. 18];5(1):102-10. Available from: https://fnasjournals.com/index.php/FNAS-JMSE/article/view/246