Some techniques for measuring the impact of contraception. 

 - Bangkok :  United Nations (UN) ,  1974 
 - v, 136p. :  ill. ;   29 cm.  
 - Asian population studies series, no. 18 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birth control--Mathematical models--Pakistan 
<br/><br/><label>Gov. Doc. Class. No.: </label>UN ESCAP APSS-18