Rangwala, S. C., and Dalal, Ketki, B. <br/><br/>
Water Supply and Sanitary Engineering : 
(Including Environmental Engineering) 
 - 28th 
 - Gujarat  Charotar Publishing House Pvt. Ltd.  1969 
 - 784 
<br/><br/><label>ISBN: </label>9789385039003 
<br/><br/><label>Publisher. No.: </label> Sapna Book House 
<br/><br/><label>Subjects--Personal Names: </label> Environmental Science 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science