Modgil, Sohan <br/><br/>
Piagetian research  A hand book of recent studies 

 - New York  Nfer  1974 
 - 476p.  22cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reasearch Instrument<br/>Developmental Psychology
<br/><br/><label>Dewey Class. No.: </label>155  / MOD