HONORARY ADVISOR <br/><br/>
A RESEARCH STUDY REPORT ON PRIMARY* 

 - พิมพ์ครั้งที่ 1 
 -  MINISTRY OF PUBLIC HEALTH,   1989 
 - 159 :   SCROLL 
<br/><br/><label>ISBN: </label>9747956098 
<br/><br/><label>National Library of Medicine Call No.: </label>LB 2369   / HA