KIBU2019-04-032019-04-032018-10-11http://erepository.kibu.ac.ke/handle/123456789/621CSC 422: Human computer interactionenAttribution-NonCommercial-ShareAlike 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-sa/3.0/us/CSC 422Human computer interactionOther