Galcano, Canny Mulaku; Sixtus, Kinyua Mwea; Musembi, Stella Ndanu (Civil and Construction Engineering Building, University of Nairobi, 2004)
A Geographic Information System (GIS) is a computer based information system that enables the input, management, analysis, output and dissemination of geospatial data and information. It is therefore an invaluable management ...