Tyagi, Anil <br/><br/>
UGC NET/SET environment science 
by Anil Tyagi &Virendra Singh 
 - 2011  Danika  New Delhi 
 - viii,508p 
 - Trueman's specific series .
<br/><br/><label>ISBN: </label>8189301446 
<br/><br/><label>Subjects--Index Terms: </label>Environmental science - UGC - NET/SET  Competition examination guide 
<br/><br/><label>Universal Decimal Class. No.: </label>(079.1):504  / TYA  R