Maina , E. ., M. Kibuine, and J. . Kahuthia. “Cost Evaluation Criteria and Quality of Consultancy Services in Ministry of Interior and Coordination of National Government”. African Multidisciplinary Journal of Research, vol. 1, no. 1, July 2023, pp. 44-59, doi:10.71064/spu.amjr.1.1.189.