GORDON, D. Control of weeds in drains. Proceedings of the New Zealand National Weeds Conference, [S. l.], v. 4, p. 18–19, 1951. DOI: 10.30843/nzpp.1951.4.7047. Disponível em: https://journal.nzpps.org/index.php/pnzwc/article/view/7047. Acesso em: 22 may. 2024.