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- Cocoa Board of Papua New Guinea, 73 results
- Perkins, John and Clarke, Trevor, 2 results
- Moxon, J.E., 2 results
- Government of Papua New Guinea, 2 results
- Bleeker, P. and Freyne, D.F., 1 results
- Prior, C., O'Donohue, J., Rotscheid, R. and Sitapai, e., 1 results
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- Anthony, G., Kauzi, G.Y., Loh, D.W. and Anderson, J.R., 1 results
- IASER, 1 results
