TY - BOOK ED - Ontario Principals' Council TI - The principal as mathematics leader SN - 978-1-4129-6311-4/- 9781412963107 AV - 510.71 On81 PY - 2009/// CY - Thousand Oaks, Calif. PB - Corwin Press KW - Mathematics KW - Study and teaching KW - School principals KW - Teacher-principal relationships KW - Interaction analysis in education KW - Educational leadership N1 - Includes bibliographic references and index ER -