MCDONALD, G. P. Economics of production efficiency. The Bovine Practitioner, [S. l.], v. 1976, n. 11, p. 50–57, 1976. DOI: 10.21423/bovine-vol1976no11p50-57. Disponível em: https://bovine-ojs-tamu.tdl.org/bovine/article/view/1865. Acesso em: 13 nov. 2024.