Daudi, Audi et al. <br/><br/>
Signal Environmental Activities Grade 3 
Angel Daudi, Silpher Chepkorir, Nickson Muema and Kirui Kiprono 
 - 1st ed. 
 - Nairobi ;  Signal Publishers ,  2018 . 
 - IV, 189 P. ;  Illustrations  17 cm. ; 
<br/><br/><label>ISBN: </label>978-9966-1989-3-8 
<br/><br/><label>Dewey Class. No.: </label>363