ASPINALL, R. J. Farming in a challenging physical and social environment. Journal of New Zealand Grasslands, [S. l.], v. 80, p. 23–26, 2018. DOI: 10.33584/jnzg.2018.80.356. Disponível em: https://www.nzgajournal.org.nz/index.php/JoNZG/article/view/356. Acesso em: 25 may. 2026.