Kiyapi, Catherine et al. <br/><br/>
Let's Do Mathematics /  Learner's Book 6. 

 - 1 st ed. 
 - Nairobi :  Oxford University Press.  2022. 
 - iii, ill, col, 188p.  17cm. 
<br/><br/><label>ISBN: </label>9780195749212 
<br/><br/><label>Dewey Class. No.: </label>500.510