Não informado. (1983). Malaysian Rubber Review. Malaysian Rubber Research and Development Board.
Chicago-referens (17:e uppl.)Não informado. Malaysian Rubber Review. Kuala Lumpur: Malaysian Rubber Research and Development Board, 1983.
MLA-referens (8:e uppl.)Não informado. Malaysian Rubber Review. Malaysian Rubber Research and Development Board, 1983.
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