Daudi, Angela et al. <br/><br/>
Signal Environmental Activities Grade 1 
Angela Daudi, Silpher Chepkorir, Nickson Muema and Kirui Kiprono 
 - 1st ed, 
 - Nairobi ;  Signal Publishers ,  2018 . 
 - iv, 204 p. ;  Col. Illustrations ,  17 cm. 
<br/><br/><label>ISBN: </label>978-9966-1989-2-1 
<br/><br/><label>Dewey Class. No.: </label>363