KLB Visionary Encyclopaedia  Grade 5 : 
Kenya Literature Bureau. 
 - 1st edition.  
 - Nairobi  :  Kenya Literature Bureau  ;  2022 . 
<br/><br/><label>ISBN: </label>978-9966-65-769-5 
<br/><br/><label>Dewey Class. No.: </label>030