Esu A.E.O <br/><br/>
Pedagogy of environmental education  (Module 6) / 
A.E.O Esu, S.J. Umoh, F.B. Obi 
 - Ibadan  Macmillian Nigeria Publishers Limited  1994 
 - vii, 244P.;  Pbk 
<br/><br/><label>ISBN: </label>9780181635 
<br/><br/><label>LC Class. No.: </label>GE70.E8 1999