Gopal,Dr.Krishna <br/><br/>
Fundamentals Of Water and Waste Water 
Dr.Krishna Gopal 
 - New Delhi  A.P.H  2004 
 - 154p 
<br/><br/> H.B 
<br/><br/><label>ISBN: </label>8176485535 
<br/><br/><label>Dewey Class. No.: </label>628.162 GOP