DWIJATMOKO, B. (1990). Communicative grammar practice (for first year english department university students). Kanisius.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDWIJATMOKO, B.B. Communicative Grammar Practice (for First Year English Department University Students). Yogyakarta: Kanisius, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDWIJATMOKO, B.B. Communicative Grammar Practice (for First Year English Department University Students). Kanisius, 1990.
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