Kitonyo, Harriet et al . <br/><br/>
Mentor Mathematical Activities Grade 3  Learner's Book.  
Mentor Publishers.  
 - 1st ed. ; 
 - Nairobi :  Mentor Publishers.   2018 
 - iv ,175 p. ;  col.illustrations .  17.5 cm . 
<br/><br/><label>ISBN: </label>978-9966-059-79-6 
<br/><br/><label>Dewey Class. No.: </label>510