Concepci�, Mercedes B.,  1928- <br/><br/>
Family formation and contraception in selected developing countries :  policy  implications of WFS findings / 
by Mercedes M. Concepcio n. 
 - The Hague :  International Statistical Institute,  [n.d.]. 
 - 62 p. :  ill. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Family size.<br/>Birth intervals.<br/>Birth control.
<br/><br/><label>Dewey Class. No.: </label>304.634 CON