TY  - BOOK
AU  - Valverde, Gilbert A
TI  - According to the book : using TIMSS to investigate the translation of policy into practice through the world of textbooks
SN  - 9781402010330 (acidfree paper)
U1  - 510.71073 VAL 
PY  - 2002///
CY  - Deventer, The Netherlands ; Boston, MA
PB  - Kluwer Academic Publishers
KW  - Mathematics - Study and teaching - United States
ER  -