Não informado. (1952). Journal of scientific research in Indonesia. Organization for Scientific Research.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Scientific Research in Indonesia. Jakarta: Organization for Scientific Research, 1952.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Scientific Research in Indonesia. Organization for Scientific Research, 1952.
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