Παραπομπή APA

Nguyễn Văn Hồng, & Truong Vien Ph.D huong dan. (2008). An Investigation into Cooperative Learning to Develop Speaking Skills for Students of English at Upper Secondary Schools in Danang.

Παραπομπή Chicago Style

Nguyễn Văn Hồng, και Truong Vien Ph.D huong dan. An Investigation Into Cooperative Learning to Develop Speaking Skills for Students of English At Upper Secondary Schools in Danang. 2008.

Παραπομπή MLA

Nguyễn Văn Hồng, και Truong Vien Ph.D huong dan. An Investigation Into Cooperative Learning to Develop Speaking Skills for Students of English At Upper Secondary Schools in Danang. 2008.

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