Ruhm, Christopher <br/><br/>
Long-term effects of early childhood care and education   [electronic resource]: / 
Christopher Ruhm and Jane Waldfogel. 
 - Bonn  IZA,  [2011] 
 - 26p. 
 - Discussion paper;  no. 6149 .
 - Discussion paper (IZA (Forschungsinstitut zur Zukunft der Arbeit))  no. 6149. .
<br/><br/>Includes bibliographical references. 
<br/><br/><br/>Mode of access: Internet.