Columbia subject headings:
Harvard subject headings:
French language--Acquisition.
French language--Spoken French.
Interlanguage (Language learning)
Interlanguage (Language learning)--Case studies.
Multilingualism.
Second language acquisition.
Sociolinguistics--France.
Sociolinguistics.
Princeton subject headings:
French language--Acquisition.
Interlanguage (Language learning)
Multilingualism.
Second language acquisition.
Sociolinguistics.