Returns to cocoa research 1965 to 1980 in Papua New Guinea /

समान संसाधन

• Returns to cocoa research 1965 to 1980 in Papua New Guinea : a layman's guide /
  द्वारा: Antony, George
  प्रकाशित: (1990)
• Review of the research requirements for cocoa in Papua New Guinea, 1983 /
  प्रकाशित: (1983)
• Agricultural research in a risky world : the case of cocoa research in PNG /
  द्वारा: Anderson, Jock R.
  प्रकाशित: (1988)
• Cocoa statistics of Papua New Guinea.
  प्रकाशित: (1995)
• Cocoa /
  द्वारा: Whitworth, Jamilah
  प्रकाशित: (1987)