Wafula,  Robert . <br/><br/>
Bookmark Mathematical Activities Grade 1   Learner's Workbook . 
Bookmark Africa Publishers.  
 - 1st edition.  
 - Nairobi  :  Bookmark Africa Publishers.   2018 . 
 - 105 p . ;  col.illustrations .  17.4 cm  
<br/><br/><label>ISBN: </label>978-9966-1990-0-3 
<br/><br/><label>Dewey Class. No.: </label>510