World health organization <br/><br/>
Contraceptive method mix : Guideline for policy and service delivery 

 - W.H.O., Geneva  1994 
 - Viii, 143p 
<br/><br/><label>ISBN: </label>92 4 154459 7 
<br/><br/><label>Dewey Class. No.: </label>613.943 W.H.O.