Karunaratne I.M. Teaching Of English. APH Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKarunaratne I.M. Teaching Of English. New Delhi: APH Publishing.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKarunaratne I.M. Teaching Of English. APH Publishing.
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