Social development in childhood  day-care programs and research 
edited by Roger A. Webb. 
 - Baltimore  Johns Hopkins University Press  c1977. 
 - xxi, 196 p. 
<br/><br/> Papers from the 4th Hyman Blumberg Symposium on Research in Early Childhood Education, held Mar. 7-9, 1974.  Includes index. 
<br/><br/><label>ISBN: </label>0801819466.  0801819474 
<br/><br/><label>LCCN: </label>77004778  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Preschool--Congresses.<br/>Interaction analysis in education--Congresses.
<br/><br/><label>LC Class. No.: </label>LB1140.2  / .H94 1974 
<br/><br/><label>Dewey Class. No.: </label>372.21