J.E ONYIBE, C.K. DAUDU, J.T. AROKOYO, J.G. AKPOKO, R.A. GBADEGESIN AND E.N. LWUAFOR. Spread of Extra-Early Maize Varieties in the Drier Savanna Ecology of Nigeria. Indian Journal of Extension Education, India, v. 37, n. 3-4, p. 116–124, 2024. DOI: 10.48165/. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/161012. Acesso em: 5 jun. 2026.