Onwudiwe, N., F. O. Oroka, and C. C. Obiazi. “Comparative Performance of Maize Varieties under Tropical Conditions in Abraka, Delta State, Nigeria”. Journal of Current Opinion in Crop Science, vol. 6, no. 3, Sept. 2025, pp. 157-63, doi:10.62773/jcocs.v6i3.330.