@phdthesis{2931585, title = "Investigating Greek EFL Teachers' participation in online Communities of Practice as a means of professional development", authorField = "Κουρκουλή, Αικατερίνη", year = "2021", school = "Σχολή Φιλοσοφική, Τμήμα Αγγλικής Γλώσσας και Φιλολογίας, Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών" }