KIBU2022-02-042022-02-042021-09-28http://erepository.kibu.ac.ke/handle/123456789/3585CSC 467E:Knowledge based systemsenAttribution-NonCommercial-ShareAlike 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-sa/3.0/us/CSC 467E:Knowledge based systemsCSC 467EKnowledge based systemsOther