TY  - BOOK
AU  - Stein,Mary Kay
TI  - Implementing standards-based mathematics instruction: a casebook for professional development 
SN  - 9780807749579 (pbk. : alk. paper)
PY  - 2009///
CY  - Reston, Va.
PB  - National Council of Teachers of Mathematics
KW  - Mathematics
KW  - Study and teaching (Middle school)
KW  - Case studies
N1  - Includes bibliographical references (p. 165-170) and index
ER  -