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<xml><bibliography><APA>Pattra Pichetsilpa และผู้แต่งคนอื่นๆ. (2006) Everyday Chinese speaking proficiency guidelines : a case study of Chulalongkorn University students. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Pattra Pichetsilpa และผู้แต่งคนอื่นๆ. 2006. Everyday Chinese speaking proficiency guidelines : a case study of Chulalongkorn University students. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Pattra Pichetsilpa และผู้แต่งคนอื่นๆ.  Everyday Chinese speaking proficiency guidelines : a case study of Chulalongkorn University students.  ม.ป.ท.:Chulalongkorn University, 2006. Print.</MLA></bibliography></xml>
