Columbia subject headings:
Harvard subject headings:
French language--Acquisition--Longitudinal studies.
French language--Study and teaching (Higher)--German speakers
Germans--France--Language.
Interlanguage (Language learning)
Second language acquisition--Longitudinal studies.
Princeton subject headings:
French language--Acquisition--Longitudinal studies.
French language--Study and teaching (Higher)--German speakers.
Germans--France--Language.
Interlanguage (Language learning)
Second language acquisition--Longitudinal studies.