Bronfenbrenner, Urie,  1917- <br/><br/>
The ecology of human development :  experiments by nature and design / 
Urie Bronfenbrenner 
 - Cambridge :  Harvard University Press,  c1979 
 - xv, 330 p. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0674224566 :  USD 16.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child psychology--Research<br/>Human development
<br/><br/><label>Dewey Class. No.: </label>136.7