Columbia subject headings:
Code switching (Linguistics)--Indonesia--Jawa Timur.
Language and languages--Variation.
Languages in contact--Indonesia--Jawa Timur.
Sociolinguistics--Indonesia--Jawa Timur.
Harvard subject headings:
Code switching (Linguistics)--Indonesia--Jawa Timur.
Language and languages--Variation
Languages in contact--Indonesia--Jawa Timur.
Sociolinguistics--Indonesia--Jawa Timur.
Princeton subject headings:
Indonesian language--Social aspects.
Javanese language--Social aspects.
Speech and social status--Indonesia--Java.