Kiburi,Obadia, (et al.) KLB Visionary Mathematics : Grade 4 Learner's Book/ Cover title Samuel Irumbi, Zipporah N. Muli, Francis Mwangi. - First ed. - Nairobi : KLB, 2019. - ill ,col,170 p. ; ISBN: 9789966655660 Subjects--Topical Terms: Dewey Class. No.: 372/.510