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WikiPedia: Tiếng_La_Ha http://sealang.net/sala/archives/pdf4/weera2000pro... http://sealang.net/sala/archives/pdf8/benedict1992... http://sealang.net/sala/archives/pdf8/gregerson199... http://sealang.net/sala/archives/pdf8/weera1995not... http://language.psy.auckland.ac.nz/austronesian/la... //dx.doi.org/10.5281%2Fzenodo.1123351 http://glottolog.org/resource/languoid/id/laha1250 http://www.sil.org/iso639-3/documentation.asp?id=l... https://sites.google.com/site/msealangs/kra-dai/la... https://sites.google.com/site/msealangs/kra-dai/la...