KIBU2021-08-122021-08-122021-06-17http://erepository.kibu.ac.ke/handle/123456789/2763AEC 225:Production economicsenAttribution-NonCommercial-ShareAlike 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-sa/3.0/us/AEC 225:Production economicsProduction economicsAEC 225Other