Intensive Encyclopaedia Grade 1 , 
Intensive Publishers.  
 - 2nd edition.  
 - Nairobi :  Intensive Publishers  ,  2019 . 
 - 380 pages .  col.illustrations .  21.3 cm . 
<br/><br/><label>ISBN: </label>978-9966-1784-1-1 
<br/><br/><label>Dewey Class. No.: </label>030