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Vi and others. 2009. Opportunities and challenges. Hanoi:Vietnam Museum of Ethnology;
Vi and others. (2009) Opportunities and challenges. Vietnam Museum of Ethnology:Hanoi.
Vi and others. Opportunities and challenges. Hanoi:Vietnam Museum of Ethnology, 2009. Print.
Vi and others. (2009) Opportunities and challenges. Vietnam Museum of Ethnology:Hanoi.