MORTON, J. Levy oration - 2014: Agricultural science and extension. Journal of New Zealand Grasslands, [S. l.], v. 77, p. 7–10, 2013. DOI: 10.33584/jnzg.2015.77.496. Disponível em: https://www.nzgajournal.org.nz/index.php/JoNZG/article/view/496. Acesso em: 18 oct. 2026.