Crop protection chemicals reference : CPCR.

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: New York, N.Y. : Chemical and Pharmaceutical Pub. Corp., c1988.
Putanga:4th ed.
Ngā marau:
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