^Rotich, Stella C., and Deogratias MM Mulungu. "Adaptation to climate change impacts on crop water requirements in Kikafu catchment, Tanzania." Journal of Water and Climate Change 8.2 (2017): 274-292.
^Labiak, Paulo H. “Stenogrammitis, a New Genus of Grammitid Ferns Segregated from Lellingeria (Polypodiaceae).” Brittonia, vol. 63, no. 1, 2011, pp. 139–49. JSTOR, http://www.jstor.org/stable/41406773. Accessed 9 May 2023.
^Tschannerl, Gerhard. “RURAL WATER-SUPPLY IN TANZANIA: IS ‘POLITICS’ OR ‘TECHNIQUE’ IN COMMAND?” The African Review: A Journal of African Politics, Development and International Affairs, vol. 6, no. 2, 1976, pp. 108–66. JSTOR, http://www.jstor.org/stable/45341412. Accessed 9 May 2023.