TY  - BOOK
AU  - Beard,Ruth Mary
ED  - Routledge & Kegan Paul
TI  - An outline of Piaget's developmental psychology for students and teachers
T2  - The Students library of education
SN  - 0710063407
U1  - 155.413 22
PY  - 1976///.
CY  - London: 
PB  - Routledge & K. Paul, 
KW  - Piaget, Jean,
KW  - Child psychology
KW  - Παιδιά
KW  - Ψυχολογία
N1  - Includes bibliography (p.123-128)
ER  -