Kōrero: Biosecurity
Whārangi 4. Ngā whakaahua, ngā rauemi katoa
From page 1 - Definitions and history
From page 2 - Modern biosecurity
Me pēnei te tohu i te whārang
Helen Keyes rāua ko Carl Walrond, Biosecurity, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/mi/story/3862/media (accessed 13 June 2026).
He kōrero nā Helen Keyes rāua ko Carl Walrond, i tāngia i te 1 March 2009.