Mentor science and technology grade 4 learner's book  
G.Mwangi ... [ et al . ] .- 
 - Nairobi    Mentor Publising Company Limited   2019 
<br/><br/><label>ISBN: </label>978-9966-012-71-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Elementary -science and technology.
<br/><br/><label>Dewey Class. No.: </label>372.35043 MEN