De Tray, Dennis N., <br/><br/>
The demand for children in a "natural fertility" population / 
by Dennis De Tray. 
 - 24 pages ;  28 cm. 
 - The Rand paper series;  P-6222 .
 - The Rand paper series;  P-6222 .
<br/><br/>Includes bibliographical references (pages 21-22) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Family size--Pakistan.<br/>Fertility, Human--Pakistan.