Mugera, Eunice Wambui, et al. “Sources, Accessibility and Reliability of Water for Various Uses in Ruiru District of Kiambu County, Kenya”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 14, no. 1, Feb. 2014, pp. 164-73, https://www.gssrr.org/JournalOfBasicAndApplied/article/view/1831.