Columbia subject headings:
Harvard subject headings:
Greek language, Modern--Study and teaching--Foreign speakers.
Language policy--Greece.
Multilingualism--Greece.
Sociolinguistics--Greece.
Princeton subject headings:
Greek language, Modern--Study and teaching--Foreign speakers.
Language and languages--Study and teaching.
Language policy--Greece.
Multilingualism--Greece.
Multilingualism.
Sociolinguistics--Greece.
Sociolinguistics.