TY  - BOOK
AU  - Piaget,Jean
TI  - Main trends in inter-disciplinary research
SN  - 9780043010617
AV  - H62 .P4638
U1  - 300/.7/2 @
PY  - 1973///
CY  - London
PB  - Allen & Unwin
KW  - Social sciences
KW  - Research
N1  - "Originally published as chapter 7 in Main trends of research in the social and human sciences, part 1, Mouton/Unesco, 1970."; Includes bibliographical references and index
ER  -