Pritam; Lily <br/><br/>
Environmental Health And Hygiene  English 

 - 2nd ed. 
 - New Delhi  Vikas Publishing House Pvt. Ltd.  1982 
 - 172 
<br/><br/><label>ISBN: </label>0-7069-2124-0 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Home Science
<br/><br/><label>Dewey Class. No.: </label>614 L62E