TORP-DONNER, H.; JUGA, J. Sustainability - a challenge to animal production and breeding. Agricultural and Food Science, [S. l.], v. 6, n. 3, p. 229–239, 1997. DOI: 10.23986/afsci.72786. Disponível em: https://journal.fi/afs/article/view/72786. Acesso em: 15 may. 2024.