STEVENS, D.; CASEY, M.; COUSINS, K. Farming systems research: purpose, history and impact in New Zealand hill country. NZGA: Research and Practice Series, [S. l.], v. 16, p. 67–85, 2016. DOI: 10.33584/rps.16.2016.3261. Disponível em: https://www.nzgajournal.org.nz/index.php/rps/article/view/3261. Acesso em: 18 apr. 2026.