The role of health centres in the development of urban health systems 
by World Health Organization 
 - Geneva  World Health Organization  1992 
 - 38p. 
 - WHO Technical Report Series 827 .
<br/><br/><label>ISBN: </label>92 4 120827 9 
<br/><br/><label>Dewey Class. No.: </label>O1 W893r