Kiburi, Obadiah et al. <br/><br/>
KLB Visionary Mathematics :  Learner's Book Grade 4 

 - Nairobi :  Kenya Literature Bureau,  2019 
 - 170 p, ; 
<br/><br/><label>ISBN: </label>9789966655660 
<br/><br/><label>Dewey Class. No.: </label>372.510