Ward, Marion W.
The Rigo Road : a study of the economic effects of new road construction / Marion W. Ward. - Canberra ; Port Moresby : New Guinea Research Unit, ANU, 1970. - xii, 102 p. : maps, tables, graphs ; 26 cm. - New Guinea research bulletin ; no. 33 .
Includes index.
Bibliography: p. 92-93.
73-107383
Roads--Economic aspects--Papua New Guinea--Central Province.
Roads--Economic aspects.--Papua New Guinea
The Rigo Road : a study of the economic effects of new road construction / Marion W. Ward. - Canberra ; Port Moresby : New Guinea Research Unit, ANU, 1970. - xii, 102 p. : maps, tables, graphs ; 26 cm. - New Guinea research bulletin ; no. 33 .
Includes index.
Bibliography: p. 92-93.
73-107383
Roads--Economic aspects--Papua New Guinea--Central Province.
Roads--Economic aspects.--Papua New Guinea