TY - BOOK AU - Sullivan, Susan. AU - Glanz, Jeffrey. TI - Supervision that improves teaching : : strategies and techniques SN - 978-1-4522-5546-0 U1 - DC 371.203 2013 PY - 2013/// CY - California PB - Corwin KW - School supervision KW - United States KW - Teacher effectiveness KW - United States KW - Teaching N1 - Includes bibliographical references and index ER -