Dube, E (2003). "Analysing water use patterns for demand management: the case of the city of Masvingo, Zimbabwe". Physics and Chemistry of the Earth, Parts A/B/C. 28 (20–27): 805. Bibcode:2003PCE....28..805D. doi:10.1016/j.pce.2003.08.004.
Dube, E (2003). "Analysing water use patterns for demand management: the case of the city of Masvingo, Zimbabwe". Physics and Chemistry of the Earth, Parts A/B/C. 28 (20–27): 805. Bibcode:2003PCE....28..805D. doi:10.1016/j.pce.2003.08.004.