Waweru, E et al. <br/><br/>
Mentor Social Studies /  Laerne's Book Grade 4. 

 - 1st ed. 
 - Nairobi :  Mentor Publishing Company Limited.  2019. 
 - ii, ill,col, 142 p.  17cm. 
<br/><br/><label>ISBN: </label>9789966012753 
<br/><br/><label>Dewey Class. No.: </label>300.302