1. An integrated programme of beef cattle and range research in Botswana;APRU (Animal Production Research Unit),1975
2. Livestock and range research in Botswana;APRU (Animal Production Research Unit),1979
3. Beef production and range management in Botswana;APRU (Animal Production Research Unit),1980
4. Helping the limited resource farmer through the farming systems approach to research;Baker;Culture and Agriculture,1983
5. Cattle ranching in the semi-arid savannas of east and southern Africa;Barnes,1978