Okoko, Grace A : <br/><br/>
Queenex Enviromental activities /  Pupils Book Grade 1. 

 - 1st ed. 
 - Nairobi :  Queenex Publishers limited,  2018. 
 - ill. col. 65 p.  17 cm 
<br/><br/><label>ISBN: </label>9789966075796 
<br/><br/><label>Dewey Class. No.: </label>500.523