IKEH, A. O.; AMULU, L. U.; ORJI, . J. O. .; OLUFELO, O. J. .; UMELO, Q. C. Land use efficiency of castor (Ricinus communis L.) based cropping systems in Okigwe, Southeastern Nigeria. Applied Research in Science and Technology , [S. l.], v. 3, n. 2, p. 96–104, 2024. DOI: 10.33292/areste.v3i2.40. Disponível em: https://www.areste.org/index.php/oai/article/view/40. Acesso em: 4 jul. 2025.