Management of environmental education and research 
edited by P.R. Trivedi and Gurdeep Raj 
 - Delhi  Akashdeep  1992 
 - 254p. 
<br/><br/><label>ISBN: </label>8171582745 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences<br/>Ecology - Research<br/>Environmental education
<br/><br/><label>Dewey Class. No.: </label>O91 T739