Vyas , Jay Narayan <br/><br/>
Saket environment hand book 

 - Ahmedabad :  Saket Project,  1994 
 - 455. 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanitary municipal engineering
<br/><br/><label>Dewey Class. No.: </label>628  / VYAS