Helliwell, John F. <br/><br/>
Education and social capital 

 - Cambridge, Mass. :  National Bureau of Economic Research,  1999 
 - 25 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION--SOCIAL ASPECTS--UNITED STATES<br/>ECONOMICS--RESEARCH
<br/><br/><label>LC Class. No.: </label>LC191.6  / H444E