- AU PMB DOC 538-73
- Stuk
- Nov 1993
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
J.J.C. Dennis (ed.), CCRI Bulletins (Cocoa), c.1992, PNG Cocoa & Coconut Research Institute
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea
Cocoa Board of Papua New Guinea