W.H.O. <br/><br/>
Oral Helth Surveys Basic Methods 

 - 1 
 - Delhi  W.H.O.  1987 
 - IV53 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Community Dentistry(617.601)<br/>Community Dentistry(617.601)
<br/><br/><label>Dewey Class. No.: </label>6.7.601