1.A review of the impacts of invasive aquatic weeds on the biodiversity of some tropical water bodies with special reference to Lake Victoria (Kenya); By Peninah Aloo, William Ojwang, Reuben Omondi, James Murithi Njiru & Dalmas Oyugi. Biodiversity Journal, 2013, 4 (4): 471-482. http://www.biodiversityjournal.com/pdf/4(4)_471-482.pdf
2.Hydrogeochemical analysis and evaluation of water quality in Lake Chala catchment area, Kenya: by Josphat Mulwa K, Beatrice Mwega W, Mathew Kigomo K. Global Advanced Research Journal of Physical and Applied Sciences Vol. 2 (1) pp. 001-007, August, 2013. http://www.garj.org/garjpas/index.htm
3.Water, Energy, Transport – IWRM working group. Sharing … with regulations, including the implementation of environmental management plans and project plans;. → review project … /2012/az/Integrated-11-23-12.pdf. https://wocatpedia.net/images/1/1d/Giz2013_-_Sharing_Experience_with_Integrated_Water_Resources_Management_(IWRM).pdf