Columbia subject headings:
Harvard subject headings:
Day care centers--Congresses.
Education, Bilingual--Congresses
Language and languages--Study and teaching--Bilingual method--Congresses.
Multilingualism in children--Congresses.
Vocabulary--Study and teaching (Preschool)--Congresses.
Princeton subject headings:
Day care centers--Congresses.
Education, Bilingual--Congresses.
Language and languages--Study and teaching--Bilingual method--Congresses.
Multilingualism in children--Congresses.
Vocabulary--Study and teaching (Preschool)--Congresses.