TY  - BOOK
AU  - Simmons, John
AU  - Codding, Judy B
TI  - Breaking through : transforming urban school districts
SN  - 9780807746585
U1  - 371.009732 SMI 
PY  - 2006///
CY  - New York
PB  - Teachers College Press
KW  - Educational change - United States - Case studies
ER  -