WESTERMARCK, N. The importance of capital and labour in animal production. Agricultural and Food Science, [S. l.], v. 43, n. 3, p. 159–166, 1971. DOI: 10.23986/afsci.71794. Disponível em: https://journal.fi/afs/article/view/71794. Acesso em: 19 oct. 2024.