E. Sigel Irving <br/><br/>
New directions in piagetian theory and practice 
E. Sigel Irving; Brodzinsky M.David; M.Golinkoff Roberta 
 - New Jersey   Lawrence Erlbaum Associates, Publishers     1981 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION