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1Publicado 1987“...Sage Publications,...”
Conference Proceeding Libro -
2Publicado 2007“...Sage Publications,...”
Libro -
3
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4Publicado 1973“...R. Sage Foundation,...”
Libro -
5Publicado 2011“...Russell Sage Foundation,...”
Libro -
6por Schumacher, Donald“...Corwin Press, a Sage Pub. Co. : National Association of Elementary School Principals,...”
Publicado 2007
Libro