JIMÉNEZ JIMÉNEZ, Randy Alexis; ESPINOSA ORTIZ, Valentín; SOLER FONSECA, Diana Milena. The opportunity cost of family labor in the economy of the dairy production in Michoacan, Mexico. Revista de Investigación Agraria y Ambiental, Colombia,CO, v. 5, n. 1, p. 47–56, 2014. DOI: 10.22490/21456453.908. Disponível em: https://hemeroteca.unad.edu.co/index.php/riaa/article/view/908. Acesso em: 5 dec. 2025.