Kiburi, Obadiah et al . <br/><br/>
KLB Visionary Mathematics Grade Four .  Learner's Book . 
Kenya Literature of Bureau.  
 - 1st edition.  
 - Nairobi :  Kenya Literature Bureau  ;  2019 
 - 165 p . ;  col. illustrations.   17.5 cm . 
<br/><br/><label>ISBN: </label>978-9966-65-566-0 
<br/><br/><label>Dewey Class. No.: </label>510