1.Application of electrical resistivity method to investigate groundwater potential in Lake Chala watershed. By: Mwega, B.W., Mati, B. M, Kyalo, J. and Kituu, G.M.. Journal of International Academic Research for Multidisciplinary, Volume 3, Issue 7, (2015). pp 396-403. http://www.jiarm.com/AUG2015/paper16132.pdf
2.Effect of climate change on cowpea production in mwania watershed by Maureen Jepchirchir KiprotichEdward Mamati, Edward Bikketi (2015) www.ijern.com/journal/2015/February-2015/24.pdf
3.An Assessment of Some Physical, Chemical and Biological Characteristics of Nyanchwa -Riana River Flowing through Kisii Town in South West Kenya: By Ogendi G. M. A. M., Getabu , J. M. Onchieku and J. M., Babu. nternational Journal of Applied Science and Technology Vol. 5, No. 2; April 2015. http://www.ijastnet.com/journals/Vol_5_No_2_April_2015/9.pdf
4.Water Resource Management (IWRM) in the Ebro river catchment (in Spain) has been. Our main aim … and the new social and environmental water demands. … status_report_2012.pdf (accessed on 24 December 2014). 14 https://www.mdpi.com/2071-1050/7/1/441/pdf