kibu2023-02-072023-02-072021-10-08http://erepository.kibu.ac.ke/handle/123456789/7712DIT 071: Discrete mathematicsenAttribution-NonCommercial-ShareAlike 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-sa/3.0/us/DIT 071: Discrete mathematicsDIT 071Discrete mathematicsOther