TY - BOOK AU - Many,Thomas W. AU - Sparks-Many,Susan K. TI - Leverage: using PLCs to promote lasting improvement in schools SN - 9781452259574 (pbk.) U1 - 370.711 22 PY - 2015/// CY - Thousand Oaks, Calif. PB - Corwin KW - Professional learning communities KW - United States KW - Educational leadership KW - Educational change N1 - Includes bibliographical references and index ER -