Columbia subject headings:
Instructional materials centers--Congresses.
Language and culture--Congresses.
Teaching--Aids and devices--Congresses.
Turkish language--Study and teaching--Asia, Central--Congresses.
Turkish language--Study and teaching--Asia--Congresses.
Turkish language--Study and teaching--Europe--Congresses.
Turkish language--Study and teaching--Foreign speakers--Congresses.
Harvard subject headings:
Instructional materials centers--Congresses.
Language and culture--Congresses.
Teaching--Aids and devices--Congresses
Turkish language--Study and teaching--Asia, Central--Congresses.
Turkish language--Study and teaching--Asia--Congresses.
Turkish language--Study and teaching--Europe--Congresses.
Turkish language--Study and teaching--Foreign speakers--Congresses.
Princeton subject headings:
Turkish language--Study and teaching--Congresses.
Turkish language--Textbooks for foreign speakers--Congresses.