Sigei, Peter et al. Longhorn Agriculture Grade 5 / Learner's Book. - 1st ed. - Nairobi : Longhorn Publishers PLC , 2020. - iv, ill. col. 107 p. 17 cm. ISBN: 9789966643216 Standard Tech. Report. No.: Nat. Bib. Agency Control No.: KeNaShofco Dewey Class. No.: 600.630