(1)
Aja, L.; Okuku, I. C.; Muhammad, T.; Elom, I. J.; Mohammad, L.; Ezeonwumelu, C. G.; Oko, K. I. Impacts of Instructional Materials in Enhancing Biology Concepts Retention Among Secondary School Students in Izzi, Ebonyi State, Nigeria. J Res Env Sci Educ 2026, 3 (1), 46–57. https://doi.org/10.70232/jrese.v3i1.43.