TY  - BOOK
AU  - Wigfield Allan Ed.
AU  -  Eccles Jacquelynne S. Ed.
TI  - Development of achievement motivation
T2  - A volume in the educational psychology series
U1  - S:65, P2 
PY  - 2002///
CY  - San
PB  - Diego Academic press     
KW  - PSYCHOLOGY
ER  -