- AU PMB DOC 538-07
- Item
- 1986
Cocoa Board of Papua New Guinea
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Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
Perkins, John and Clarke, Trevor
Perkins, John and Clarke, Trevor
J.J.C. Dennis (ed.), CCRI Bulletins (Cocoa), c.1992, PNG Cocoa & Coconut Research Institute
Cocoa Board of Papua New Guinea
J.E. Moxon, LAES Bulletins in Simple English (Pests in Cocoa), n.d.
Moxon, J.E.