1. , . 1996. Facilitating Technology Transfer through Improved Irrigation Guidelines for Vegetables and a Mechanistic Crop Modelling Approach. Report No. 476/1/96. Water Research Commission: Pretoria.
2. , , , . 1999. Facilitating Irrigation Scheduling by Means of the Soil Water Balance Model. Report No. 753/1/99. Water Research Commission: Pretoria.
3. , , , . 2005. Technology Transfer of the Soil Water Balance (SWB) Model as a User-friendly Irrigation Scheduling Tool. Report No. TT 251/05. Water Research Commission: Pretoria.
4. CONSTITUTIONAL CHANGE AND NATURAL RESOURCE POLICY REFORM IN SOUTH AFRICA: CONDUCIVE OR OBSTRUCTIVE TO SUSTAINABLE ECONOMIC GROWTH OF AGRICULTURE
5. 2000. Planning of research in the field of agricultural water management. Paper presented at an IPTRID workshop on management of irrigation and drainage research, Wallingford, UK.