TY - BOOK AU - Gray,David L. AU - Smith,Agnes E. TI - Case studies in 21st century school administration : addressing challenges for educational leadership SN - 9781412927536/ AV - LB2805 G684 C3 2007 PY - 2007/// CY - Thousand Oaks : Sage Publications KW - School management and organization KW - Case Studies KW - School administrators KW - Training of ER -