Estimating potential impacts of a change in river quality on the tourism value of Kruger National Park: An application of travel cost, contingent and conjoint valuation methods
An improved technique for the determination of oxidised nitrogen in natural waters with a sequential injection analysis (SIA) system
The development of a site sanitation planning and reporting aid (SSPRA) for the selection of appropriate sanitation technologies for developing communities
The development of a site sanitation planning and reporting aid (SSPRA) for the selection of appropriate sanitation technologies for developing communities: User Manual
The impact of multimedia in the education and promotion of health awareness – A pilot study in Mamelodi