DELGADO, Angel Ramon Sanchez; VENTURA, Sergio Drumond. Optimality Conditions of Agricultural Production With Fixed Input Costs. Journal of Agricultural Studies, [S. l.], v. 9, n. 2, p. 151–170, 2021. DOI: 10.5296/jas.v9i2.18389. Disponível em: https://macrojournal.org/index.php/jas/article/view/793. Acesso em: 22 nov. 2024.