Socio-economic development and fertility decline in Costa Rica / 
by Department of international economic and social affairs 
 - New York :  UN,  1985. 
 - 118p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Socio-economic development 
<br/><br/><label>Dewey Class. No.: </label>612.6  / SOC/S