Oral health surveys:  basic methods / 
World Health Organization. 
 - 4th ed.. 
 - Delhi  AITBS Pub.  1999. 
 - vii, 65p.: col. plates; 23cm. 
<br/><br/><label>ISBN: </label>8185386986 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public health; Social health care. Health survey 
<br/><br/><label>Dewey Class. No.: </label>617.601  / W83O