TY - BOOK AU - Bush,T AU - Bell,L AU - Middlewood,D TI - The principles of educational leadership & management SN - 9781848602090 AV - DUCE LB2805.P919 2010 PY - 2010/// CY - Thosand Oaks, PB - SAGE Publication s KW - School management and organization KW - Educational leadership N1 - Includes bibliographical references and index ER -