Piaget, Jean, 1896- <br/><br/>
Main trends in inter- disciplinary research / 
Jean Piaget. 
 - London :  Allen & Unwin,  c1973. 
 - 73 p. : ill. 
 - Main Trends in the social sciences ; 5 .
<br/><br/> Origibally published as Chapter 7 in " Main trends in social and human sciences, part 1, Mouton, Unesco, 1970"  Includes notes and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social science research<br/>Research