Richards, J. C. Professional Development for Language Teachers: Strategies for Teacher Learnning. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRichards, Jack C.,Farrell. Professional Development for Language Teachers: Strategies for Teacher Learnning. Cambridge University Press.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRichards, Jack C.,Farrell. Professional Development for Language Teachers: Strategies for Teacher Learnning. Cambridge University Press.
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