Langa, Joaquim Vasco Impact of water abstraction on environmental flow: the case study of Maputo river basin - Dar es Salaam University of Dar es Salaam 2005 - xix,117p. ill. 30cm. Includes bibliographical referenceThesis M.(IWRM) Subjects--Topical Terms: Water, Environmental aspect, Maputo river basin LC Class. No.: THS EAF TC425.L35