Dass, K. <br/><br/>
Public Health and Hygiene 
/ K. Dass 
 - Chennai  Notion Press 
 - 47p. :  ill. ; 28cm 
<br/><br/><label>ISBN: </label>9781639209606 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public health; Hygiene; Preventive medicine; Health promotion; Sanitation
<br/><br/><label>Dewey Class. No.: </label>614 DAS