TY - GEN AU - Dewitt Peter .M AU - Fullan, Michael TI - Collective leader efficacy : : strengthening instructional leadership teams SN - 9781071813720 AV - LB 1029.T4 DEW 2022 PY - 2022/// CY - Thousand Oaks PB - CORWIN KW - Teaching teams KW - Educational leadership N1 - Includes bibliographical references and index ER -