Campbell, C., & Kryszewska , H. (2001). Learner - Based Teaching (Eighth impression.). Oxford: Oxford University.
Chicago Style aipamenaCampbell, Colin, và Hanna Kryszewska. Learner - Based Teaching. Eighth impression. Oxford: Oxford University, 2001.
MLA aipamenaCampbell, Colin, và Hanna Kryszewska. Learner - Based Teaching. Eighth impression. Oxford: Oxford University, 2001.
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