Aoko, Jane. (et al.) Queenex Science and Technology : leaener's book grade 5 / cover tittle. Meshack Kyenze. - 2020 ed. - Nairobi : Queenex limited, 2020. - iii, 146 p. : col. ill. ; 25 cm. ISBN: 9789966141002 Subjects--Topical Terms: Dewey Class. No.: 372.500