Age 30 years comes down to 80% of the Lao wieng and Lao-speaking still in 2001, and another 20%, to listen to the language of their ethnic group is understood, but could not say by to speak with the language of dialog instead of Thailand, which can analyze the Lao wieng and Lao why age 30 years comes down to 2001. One can listen to the language of their ethnic group is understood, but will discuss with Thailand language. 2 the point is.
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