FITZHUGH, H. Contribution of livestock to food production in developing countries. Agricultural and Food Science, [S. l.], v. 7, n. 2, p. 197–206, 1998. DOI: 10.23986/afsci.72859. Disponível em: https://journal.fi/afs/article/view/72859. Acesso em: 23 jun. 2021.