Mwangi, V. W. ., J. K. Kollongei, and E. C. Kipkorir. “Effect of Irrigation With Waste Water on Soil Characteristics and Bean Yield: A Case Study of University of Eldoret Farm”. Africa Environmental Review Journal, vol. 3, no. 2, July 2022, pp. pp. 179-189, doi:10.2200/aerj.v3i2.162.