TY - BOOK AU - Riungu, Margaret Njiru TI - Teaching Factors Affecting Learning of Mathematics to Visually Impaired Pre-school Learners: a Case Study of St. Lucy school For the Visually Impaired, Imenti South District, Meru County, Kenya AV - THE QA 135.5 .R58 2013 PY - 2013/// CY - Chuka PB - Chuka university KW - Mathematics--study and teaching ER -