Duggal, K. N. <br/><br/>
Elements of public health engineering 

 - New Delhi  ; S. Chand & Company  , 1971 
 - ix,386p. 
<br/><br/><label>ISBN: </label> 15 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public Health Engineering<br/>Sanitary Engineering
<br/><br/><label>Dewey Class. No.: </label>628  / DUG