TY  - BOOK
AU  - Piaget,Jean
AU  - Warden,Marjorie
TI  - Judgement and reasoning in the child
SN  - 3710030657
PY  - 1969///
CY  - London
PB  - Routledge & Kegan Paul
KW  - Child psychology
KW  - Child development
KW  - Reasoning (Psychology)
ER  -