Award: Semi Annual Report, August 1998 (1998) South Africa, Department of Water Affairs and Forestry; South Africa, Department of Agriculture and Land Affairs
Permissible Utilisation and Disposal of Sewage Sludge (TT 85/97) (1997) South Africa, Department of Agriculture; South Africa, Department of Health; South Africa, Department of Water Affairs and Forestry; Water Institute of Southern Africa (WISA); Water Research Commission (WRC)