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

 - 1st ed. 
 - Nairobi :  Kenya Literature Bureau  2019 
 - ill. col. 170 p.  15 cm. 
<br/><br/><label>ISBN: </label>9789966655660 
<br/><br/><label>Standard Tech. Report. No.: </label>
<br/><br/><label>Dewey Class. No.: </label>500.510