1. (IASER = Institute of Applied Social and Economic Research, Port Moresby, Papua New Guinea.)
2. Albuquerque, K. and D'Sa, E.: 1985, ?Spatial inequalities in Papua New Guinea: A district level analysis?, IASER report to the National Planning Office, Port Moresby.
3. ApthorpeR.: 1977, ?Social planning indicators and social reporting in Papua New Guinea?, UNRISD/77/c, 39, pp. 1?109.
4. Boutau, G., Brink, P. and King, D.: 1983, ?1980 national population census: district level analysis?, Department of Geography and Demography, University of Papua New Guinea, typescript.
5. CantR. G.: 1976, ?Territorial indicators and national planning?, in: The Use of Socioeconomic Indicators in Development Planning (UNESCO press, Paris).