Wright Forrest B. <br/><br/>
Rural Water Supply and Sanitation. 

 - 9th ed. 
 -  Wiley Eastern Pvt.  1969 
 - p.xvi;347p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Services
<br/><br/><label>Dewey Class. No.: </label>696  / WRI