A mandate for playful learning in preschool :  presenting the evidence / 
Kathy Hirsh-Pasek ... [et al.].  
 - Oxford ;  New York :  Oxford University Press,  2009.  
 - xvi, 121 p. ;  22 cm.  
<br/><br/>Includes bibliographical references (p. 85-107) and indexes.  
<br/><br/><label>ISBN: </label>9780195382716 (pbk. : alk. paper)  0195382714 (pbk. : alk. paper)  
<br/><br/><label>LCCN: </label>2008032420  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Play. <br/>Learning. <br/>Early childhood education.