TY - BOOK AU - Hord,Shirley M. AU - Sommers,William A. TI - Leading professional learning communities: voices from research and practice SN - 9781412944762 (hbk.) PY - 2008/// CY - Thousand Oaks, Calif. PB - Corwin Press KW - School improvement programs KW - United States KW - Group work in education KW - Educational change KW - Educational leadership N1 - Includes bibliographical references (p. 153-157) and index ER -