1. Lighten our darkness — Decentralization;Anon.,;Financial Mail Special Survey,1973
2. Black development in South Africa;BERBD (Bureau for Economic Research re Bantu Development),1970
3. An overview of agricultural and rural development problems in less developed areas of Southern Africa;Bembridge;Development Southern Africa,1986
4. Hierarchical diffusion: The basis of developmental filtering and spread in a system of growth centers;Berry,1972
5. The evolution of the Southern African space economy: A summary and synthesis;Browett,1976