TY  - BOOK
AU  - Beard,Ruth Mary
TI  - An outline of Piaget's developmental psychology for students and teachers
T2  - The Students library of education
SN  - 0710063407
AV  - BF712 .B38 1969
U1  - 155.41/3/0924 
PY  - 1969///
CY  - London
PB  - Routledge & K. Paul
KW  - Piaget, Jean,
KW  - Child psychology
N1  - Bibliography: p. 123-128
ER  -