S. A., O.; J. D., M. Analysis of Technical Efficiency of Guava Farmers in Yobe State: A Stochastic Frontier Approach. International Journal For Research In Agricultural And Food Science, [S. l.], v. 5, n. 6, p. 01–11, 2019. Disponível em: https://gnpublication.org/index.php/afs/article/view/786. Acesso em: 23 nov. 2024.