D, O. O.; O, C. C.; C, O. D. Efficiency of Resource Use by Rice Farmers in Ebonyi State, South East Nigeria: A Data Envelopment Analysis . Asian Journal of Agriculture and Rural Development, [S. l.], v. 2, n. 2, p. 149–154, 2012. Disponível em: http://archive.aessweb.com/index.php/5005/article/view/518. Acesso em: 2 may. 2024.