Seaman, M. T.Walmsley, R. D.Walmsley, J. J.2017-11-072017-11-072002-11http://hdl.handle.net/11660/7433Abstract not availableenSustainable developmentWatershed management -- South AfricaInformation retrievalThesis (Ph.D. (Environmental Management))--University of the Free State, 2002Development of sustainability indicators for catchment management information systemsThesisUniversity of the Free State