Não informado. (1983). Malaysian Rubber Review. Malaysian Rubber Research and Development Board.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Malaysian Rubber Review. Kuala Lumpur: Malaysian Rubber Research and Development Board, 1983.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Malaysian Rubber Review. Malaysian Rubber Research and Development Board, 1983.
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