TY  - BOOK
AU  - Beard, Ruth M.
TI  - An outline of piget' developmental psychology
T2  - Student library of education
SN  - 0710063407
AV  - BF 721 .B33 1980
PY  - 1980///
CY  - Broadway house, Newton road
PB  - Routledge & kegan paul ltd
KW  - psychology
ER  -