Wasonga Pascal "et al" Spotlight Science and Technology Learner's Book Grade 4 - 1st ed. Reprinted - Westlands, Nairobi Spotlight Publishers (EA) limited 2019 - xi,138p. 17, 25cm ISBN: 978 9966 57 220 2 Subjects--Personal Names: Science and Technology Subjects--Topical Terms: Dewey Class. No.: 540