Kiburi, Obadia, (et al.) KLB Visionary Mathematics : Grade 4 Learner's Book / cover tittle. Samuel Irumbi, Zipporah N. Muli, Francis Mwangi. - 1st ed. - Nairobi : Kenya Litearture Bureau, 2019. - 170, p. : col. ill. ; ISBN: 9789966655660 Subjects--Topical Terms: Dewey Class. No.: 372.540