KIBU2019-04-012019-04-012017-12-21http://erepository.kibu.ac.ke/handle/123456789/483BIT 414: Human computer interactionenAttribution-NonCommercial-ShareAlike 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-sa/3.0/us/BIT 414Human computer interactionOther