Mahajan, B.K;Gupta, M.C <br/><br/>
Textbook of preventive and social medicine 

 - 4 
 - CALCUTTA  S, Das and Company, Bombay  1996 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Community Medicine (614.44)
<br/><br/><label>Dewey Class. No.: </label>614.44