Bouchard, J. F.
The impact of roads on the monetary activities of subsistence economies in the Okapa Region of Papua New Guinea / by J. F. Bouchard for the Joint Programme of Studies in the Transport Process. - [Port Moresby] : University of Papua New Guinea, Dept. of Geography, 1972. - xii, 120p. : ill., maps. - Occasional paper ; no. 4. . - Occasional paper (University of Papua New Guinea. Dept. of Geography) ; no. 4. .
Roads--Economic aspects--Papua New Guinea--Okapa Region.
Okapa Region (Papua New Guinea)--Economic conditions.
The impact of roads on the monetary activities of subsistence economies in the Okapa Region of Papua New Guinea / by J. F. Bouchard for the Joint Programme of Studies in the Transport Process. - [Port Moresby] : University of Papua New Guinea, Dept. of Geography, 1972. - xii, 120p. : ill., maps. - Occasional paper ; no. 4. . - Occasional paper (University of Papua New Guinea. Dept. of Geography) ; no. 4. .
Roads--Economic aspects--Papua New Guinea--Okapa Region.
Okapa Region (Papua New Guinea)--Economic conditions.