Assessing Educational Leaders: Validation and Adaptation of the Spanish Version of VAL-ED Bolívar Botia, Antonio Caballero Rodríguez, Katia López López, María Carmen Pérez García, Purificación Liderazgo educativo Educación secundaria Validación de instrumento Educational leadership Secondary education Instrument validation Conferencia Europea sobre Investigación Educativa: “The need for Educational Research to Champion Freedom, Education and Development for All”, celebrada en Cádiz, 17-21 de septiembre de 2012. 2013-11-05T13:09:00Z 2013-11-05T13:09:00Z 2012-09-20 info:eu-repo/semantics/conferenceObject Bolívar, A.; et al. Assessing Educational Leaders: Validation and Adaptation of the Spanish Version of VAL-ED. En: ECER 2012, "The need for educational research to champion freedom, education and development for all", 2012. [http://hdl.handle.net/10481/29031] http://hdl.handle.net/10481/29031 spa info:eu-repo/semantics/openAccess European Educational Research Association