TY - BOOK AU - English,Fenwick W. TI - The Sage handbook of educational leadership: advances in theory, research, and practice SN - 9781412960029 AV - LB2805 .S129 PY - 2011/// CY - Thousand Oaks, Calif. PB - Sage Publications KW - Educational leadership KW - School supervision KW - School administrators N1 - Includes bibliographical references and indexes ER -