TY - BOOK AU - Irby, Beverly J. TI - The principalship: vision to action SN - 0-534-62595-9 U1 - 372.2012 LUN PY - 2006/// CY - Belmont, CA PB - Thomson/Wadsworth KW - SCHOOL PRINCIPALS-UNITED STATES, SCHOOL MANAGEMENT AND ORGANIZATION-UNITED STATES N1 - includes index ER -