TY  - BOOK
AU  - Piaget,Jean,1896-
TI  - Main trends in inter- disciplinary research
PY  - 1973///
CY  - London
PB  - Allen & Unwin
KW  - Social science research
KW  - Research
N1  - Origibally published as Chapter 7 in " Main trends in social and human sciences, part 1, Mouton, Unesco, 1970"; Includes notes and index
ER  -