Contains the keyword Language and languages--Variation
The making of Monolingual Japan : language ideology and Japanese modernity. Bristol, UK ; Buffalo: Multilingual Matters; 2012.
Uniformity and diversity in language policy : global perspectives. Bristol ; Buffalo: Multilingual Matters; 2011.
Ethnolinguistic diversity and education : language, literacy, and culture. New York: Routledge; 2010.
Interlanguage variation in theoretical and pedagogical perspective. New York: Routledge; 2009.

