Debnath, Tirthankar  <br/><br/>
Ashok’s Public Health and Preventive Dentistry  

 - 3rd 
 -  A.I.T.B.S. Pubishers.: Delhi  2016 
 - 253 p. 
<br/><br/><label>ISBN: </label>9788174731661 
<br/><br/><label>Dewey Class. No.: </label>617.6