DUGGAL K N <br/><br/>
ELEMENTS OF PUBLIC HEALTH ENGINEERING 

 - Second 
 - DELHI  S.CHAND & CO-1  1980 
 - 386 
<br/><br/><label>ISBN: </label>B0007CD2SS 
<br/><br/><label>Subjects--Topical Terms: </label><br/>"Environmental engineering,Sanitary and Muncipal Engg,Impact assessment"
<br/><br/><label>Dewey Class. No.: </label>628