Grasslands: Developments Opportunities Perspectives. Organic grassland: principles, practices and potential (2005)
Grasslands: Developments Opportunities Perspectives. Biodiversity in grasslands: current changes and scenarios for the future (2005)
Grasslands: Developments Opportunities Perspectives. GIS-based forage species adaptation mapping (2005)
Tropical crop-livestock systems in conservation agriculture: The Brazilian experience (2007)
Sekhukhuneland grasslands: a treasure house of biodiversity (2005)