Piaget, Jean,  1896-1980. <br/><br/>
Main trends in psychology. 

 - London,  Allen and Unwin,  1973. 
 - 72 p.  22 cm. 
 - Main trends in the social sciences,  2 .
<br/><br/> "Originally published as chapter 3 in Main trends of research in the social and human sciences, Part 1, Mouton/Unesco 1970." 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0041500423 
<br/><br/><label>LCCN: </label>73175882  
<br/><br/><label>Nat. Bib. No.: </label>GB73-13211 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology--Methodology.<br/>Psychology--Research.
<br/><br/><label>LC Class. No.: </label>BF38.5  / .P5 
<br/><br/><label>Dewey Class. No.: </label>150  / PIM 1970