Vũ Minh Ngọc. (2003). A survey on cooperative language learning at Dalat University: How to organize successful cooperative language learning. Đà Lạt: Trường Đại học Đà Lạt.
Style de citation ChicagoVũ Minh Ngọc. A Survey On Cooperative Language Learning At Dalat University: How to Organize Successful Cooperative Language Learning. Đà Lạt: Trường Đại học Đà Lạt, 2003.
Style de citation MLAVũ Minh Ngọc. A Survey On Cooperative Language Learning At Dalat University: How to Organize Successful Cooperative Language Learning. Đà Lạt: Trường Đại học Đà Lạt, 2003.
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