Igulu, B. S. ., and E. E. . Mshiu. “Monitoring Impervious Surface Area Dynamics to Assess Urbanisation of a Catchment: Msimbazi River Valley Dar Es Salaam, 1989 - 2015”. Tanzania Journal of Science, vol. 46, no. 2, May 2020, pp. 254-65, doi:10.4314/tjs.v46i2.