k2022-11-072022-11-072022-01-19http://erepository.kibu.ac.ke/handle/123456789/6650MAP 323:Ring theoryenAttribution-NonCommercial-ShareAlike 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-sa/3.0/us/MAP 323:Ring theoryMAP 323Ring theoryOther