O'Donohue, John2024-10-282024-10-28https://hdl.handle.net/1885/7337222029p.documentcolourapplication/pdfen-AUAgriculture -- Papua New Guinea -- MonographsThe cacao improvement programme in Papua New Guinea, 1960-1980Papua New Guinea. Department of Agriculture, Stock and Fisheries1980This document is provided for research purposes only and must not be reproduced without the prior permission of the Australian National University.