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

 - 4 
 - Delhi  W.H.O  1987 
 - DO 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Community Dentistry(617.601)<br/>Community Dentistry(617.601)
<br/><br/><label>Dewey Class. No.: </label>617.601