Singh, A. K (Editor) <br/><br/>
Encyclopaedia of teaching of environmental sciences 

 - Lucknow  Institute for Sustainable Development  2003 
 - 2v. 
<br/><br/><label>ISBN: </label> RS 3300.00, (Set of 2 vol.) 
<br/><br/><label>Source: </label> RS 3300.00, (Set of 2 vol.) 
<br/><br/><label>Dewey Class. No.: </label>304.203 ENC