KIBU2019-07-242019-07-242018-08-07http://erepository.kibu.ac.ke/handle/123456789/1525IET 423: Sustainable architectureenAttribution-NonCommercial-ShareAlike 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-sa/3.0/us/IET 423Sustainable architectureOther