Upadhyay, Ajay Kumar <br/><br/>
Paryavaran abhiyantriki (Hindi) 

 - Delhi,  Deepak Prakashan:  2015. 
 - 262p. 
<br/><br/><label>ISBN: </label>9788177761122  120 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil Engineering
<br/><br/><label>Subjects--Index Terms: </label>Environmental engineering  
<br/><br/><label>Dewey Class. No.: </label>628.8 UPA  A