TY  - BOOK
AU  - Balka,Don S.
TI  - A guide to mathematics leadership: sequencing instructional change 
SN  - 978-1-4129-7543-8
PY  - 2010///
CY  - Thousand Oaks, Calif
PB  - Corwin
KW  - Mathematics
KW  - Study and teaching
KW  - Educational leadership
N1  - Includes references and index
ER  -