TY - BOOK AU - Bush,Tony AU - Bell,Les AU - Middlewood,David TI - The principles of educational leadership & management SN - 9781848602090 (hardback) AV - LB2805 .P917 2010 PY - 2010/// CY - Thosand Oaks, CA PB - SAGE Publications KW - School management and organization KW - Educational leadership N1 - Includes bibliographical references and index ER -