Main trends in psychology
By: Jean Piaget.
Series: Harper Torchbooks -- 1780
Publisher: Harper and Row
Published: 1973
Place of publication: New York
Language: eng
Number of pages: 72
Notes: This essay was originally published as Chapter 3 in 'Main trends of research in the social and human sciences Part 1' by UNESCO in 1970.  First published: London, Allen & Unwin, 1973.