Ndungu, Ruth et al. FoundationMathematics 7/ Learner's Book for grade 7. - 1st ed. - Nairobi, Kenya: The Jomo Kenyatta foundation, 2022. - iii,ill. col. 252 p. 17.5 cm ISBN: 9789966512413 Standard Tech. Report. No.: Dewey Class. No.: 500.510