Traditional conservation in Papua New Guinea : implications for today : proceedings of a conference organized by the Office of Environment and Conservation and the Institute of Applied Social and Economic Research in Port Moresby, 27-31 October 1980 ; with assistance from Deutsche Gesellschaft fèur Technische Zusammenarbeit (GTZ) GMBH ; Louise Morauta, John Pernetta, William Heaney, editors.

Jenis bahan: cbTeks