An Introduction to environment education / 
Otiende James E., Ezaza P. William . 
 - Nairobi Kenya   Nairobi University Press,  1991. 
 - ix,270 p,:  ill,; 
<br/><br/><label>ISBN: </label>9966846131 
<br/><br/><label>LC Class. No.: </label>GE70   / .I59