Improving the performance of health centres in district health systems  report o 
WHO Study Group on Improving the Perform 
 - Geneva  W.H.O.  1997 
 - xi,64 
 - WHO technical report series    869 .
<br/><br/><label>ISBN: </label>9241208694 
<br/><br/><label>Dewey Class. No.: </label>362.12 Im7