KIBU2022-04-132022-04-132021-01-09http://erepository.kibu.ac.ke/handle/123456789/4900MAT 429:Operation research IIenAttribution-NonCommercial-ShareAlike 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-sa/3.0/us/MAT 429:Operation research IIOperation research IIMAT 429:MAT 429:Operation research IIOperation research IIMAT 429Other