Ukpong, Samuel Japhet <br/><br/>
Environmental education basis 

 - Calabar, Nigeria  SAJJU Institute Press  1991 
 - 70p.  21cm. 
<br/><br/><label>ISBN: </label>9780160183 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental education
<br/><br/><label>LC Class. No.: </label>EAF PAM GE70.U46