<![CDATA[Comentarios al libro: CASE STUDIES IN 21ST CENTURY SCHOOL ADMINISTRATION: ADDRESSING CHALLENGES FOR EDUCATIONAL LEADERSHIP BY GRAY, DAVID L. PUBLISHED BY SAGE PUBLICATIONS, INC 1ST (FIRST) EDITION (2007) PAPERBACK]]>

<![CDATA[Comentarios al libro: CASE STUDIES IN 21ST CENTURY SCHOOL ADMINISTRATION: ADDRESSING CHALLENGES FOR EDUCATIONAL LEADERSHIP BY GRAY, DAVID L. PUBLISHED BY SAGE PUBLICATIONS, INC 1ST (FIRST) EDITION (2007) PAPERBACK]]> Mon, 31 Aug 2026 19:44:09 +0000 es Copyright 202 6BiblioEteca Technologies SL