Department of Civil Engineering;
Tshwane University of Technology;
Pretoria;
South Africa;
Department of Civil Engineering;
Mbeya University of Science and Technology;
Mbeya;
Tanzania;
Department of Civil Engineering;
Kwame Nkrumah University of Science and Technology;
Kumasi;
Ghana;
Regional Water and Environmental Sanitation Center;
Kumasi;
Ghana;
Modelling; Great; Letaba; River; South; Africa; Stochastic; Flow; Process;