TY  - BOOK
AU  - Beard,Ruth Mary
TI  - An outline of Piaget's developmental psychology for students and teachers
SN  - 0710063407
PY  - 1969///
CY  - London
PB  - Routledge & K. Paul
KW  - Piaget, Jean, 1896
KW  - Child psychology
N1  - Bibliography: p. 123-128
ER  -