TY  - BOOK
AU  - Stein,Mary Kay
TI  - Implementing standards-based mathematics instruction: a casebook for professional development 
SN  - 9780807749579
AV  - QA135.6 .I467 2009
PY  - 2009///
CY  - Reston, VA, New York
PB  - National Council of Teachers of Mathematics, Teachers College Press
KW  - Mathematics
KW  - Study and teaching (Middle school)
KW  - Case studies
N1  - Includes bibliographical references and index
ER  -