TY - BOOK AU - Sergiovanni,Thomas J. TI - Value-added leadership: how to get extraordinary performance in schools SN - 0155947028 AV - LB2805 .S535 1990 U1 - 371.2/07 20 PY - 1990/// CY - San Diego PB - Harcourt Brace Jovanovich, HBJ Leadership KW - School management and organization KW - United States KW - Local KW - Leadership N1 - Includes bibliographical references (p. 154-166) and index ER -