Kariuki, Leah et al. <br/><br/>
New Progressive Primary English Learners' book Grade 4 : 

 - 1st ed. 
 - Nairobi :  Oxford University Press east Africa limited,  2019. 
 - ill. col 140 p.  15 cm. 
<br/><br/><label>ISBN: </label>9780195747829 
<br/><br/><label>Standard Tech. Report. No.: </label>
<br/><br/><label>Dewey Class. No.: </label>400.421