Ratan, Vidya <br/><br/>
Viva in preventive and social medicine 

 - Varanasi  Jaypee Brothers  2019 : 
 - 143 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Swasthvritta
<br/><br/><label>Dewey Class. No.: </label>610  / VID