References
- Breen , C M , Little , T , McIntosh , A'Ber, D and Mander , M . Interdisciplinary research and community development . Proceedings of the Environmental Law Conference . September 12‐13 1991 , Johannesburg . pp. 10 University of the Witwatersrand .
- Clark , J . 1991 . Back to earth. South Africa's environmental challenges , Halfway House : Southern Books .
- Past President of the South African Society for Agricultural Extension.
- Extension specialist, Development Bank of Southern Africa.