Media type: E-Article Title: School Principals in Spain: an Unstable Professional Identity Contributor: Maximiliano Ritacco Real; Antonio Bolívar Botía imprint: 2018 Published in: International Journal of Educational Leadership and Management Language: English; Spanish DOI: 10.17583/ijelm.2018.2110 ISSN: 2014-9018 Origination: Footnote: Access State: Open Access