グローバル化とアフリカ諸言語の利害<br>Globalisation and African Languages : Risks and Benefits (Trends in Linguistics. Studies and Monographs [TiLSM] 156) (Reprint 2011. 2004. XL, 326 S. 2 b/w ill., 53 b/w tbl., 1 frontispiece)
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