Keter, G. ., D. . Kagendo, and J. . Mutembei. “Assessment of Fecal Coliforms in Catha Edulis (Khat) Leaves Along the Value Chain in Igembe South Sub-County, Meru, Kenya”. African Journal of Science, Technology and Social Sciences, vol. 4, no. 2, Aug. 2025, pp. PAS 9-16, doi:10.58506/ajstss.v4i2.248.