KIBU2022-09-282022-09-282022-05-11http://erepository.kibu.ac.ke/handle/123456789/5542CSC 221:Database system1enAttribution-NonCommercial-ShareAlike 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-sa/3.0/us/CSC 221:Database system1CSC 221Database system1Other