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            1
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            2
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            3
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            4Journal of linguistic geography.Publicado 2013Available for UP System via Cambridge Core
 Continuing Resource
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            5Tonal geography of the provinces of Central Thailand part 1Publicado en Philippine Journal of Linguistics (2011)Artigo
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            6Globalization and language vitality perspectives from AfricaPublicado 2008Table of contents only
 Libro
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            7
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            8Studies in linguistic geography the dialects of English in Britain and Ireland.Publicado 1985Libro
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            9
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