World Health Organization <br/><br/>
The pyongyang conference  primary health care in action 

 - World Health Organization, New Delhi  1985 
 - v,352 
<br/><br/><label>ISBN: </label>92 9022 175 5 
<br/><br/><label>Dewey Class. No.: </label>R614 W.H.O./S.E.A.R.O.