Ram,  Lily Pritam Telu <br/><br/>
Environmental health and hygiene / 
by Lily Pritam Telu Ram 
 - New Delhi :  Vikas publishing,  1981. 
 - 144p. : 
<br/><br/><label>ISBN: </label>0706994612 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Health
<br/><br/><label>Dewey Class. No.: </label>614  / RAM.E