Ouma, Jemimah et al . <br/><br/>
One step Mathematical Activities  PP1 ; 
Printing Services Ltd . 
 - 1st edition.  
 - Nairobi  :  One planet Publishers.   2018 . 
 - 60 p . ;  Col.illustrations .  17 cm . 
<br/><br/><label>ISBN: </label>978-9966-068-44-6 
<br/><br/><label>Dewey Class. No.: </label>510