KIBU2019-10-012019-10-012016-04-21http://erepository.kibu.ac.ke/handle/123456789/1713MAT 406: Field theoryenAttribution-NonCommercial-ShareAlike 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-sa/3.0/us/MAT 406Field theoryOther