GRAY, D.; SEWELL, A.; HARTNETT, M.; WOOD, B.; KEMP, P.; BLAIR, H.; KENYON, P.; MORRIS, S. Improved extension practices for sheep and beef farmers. NZGA: Research and Practice Series, [S. l.], v. 16, p. 61–66, 2016. DOI: 10.33584/rps.16.2016.3260. Disponível em: https://www.nzgajournal.org.nz/index.php/rps/article/view/3260. Acesso em: 19 apr. 2026.