Educational Leadership in Policy Challenges and Implementation Within Europe - Ingþórsson, Ágúst Hjörtur; Ingþórsson, Ágúst Hjörtur; Alfirević, Nikša; Alfirević, Nikša; Pavičić, Jurica; Pavičić, Jurica; Vican, Dijana; Vican, Dijana (Springer International Publishing : Imprint: Palgrave Macmillan, 2019)