Age-group and pedagogical psychology / 
ed., A. Petrovsky ; translated from the Russian by Inna P. Medow and John Crowfoot]. 
 - Moscow :  Progress Publishers,  c1973. 
 - 320 p. :  ill. ;  21 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child psychology.<br/>Learning, Psychology of.
<br/><br/><label>Dewey Class. No.: </label>370.15  / AGE 1973