Não informado. (2023). Bulletin of the Rubber Research Institute of Sri Lanka. Rubber Research Institute of Sri Lanka.
Chicago-referens (17:e uppl.)Não informado. Bulletin of the Rubber Research Institute of Sri Lanka. Agalawatta, Sri Lanka: Rubber Research Institute of Sri Lanka, 2023.
MLA-referens (8:e uppl.)Não informado. Bulletin of the Rubber Research Institute of Sri Lanka. Rubber Research Institute of Sri Lanka, 2023.
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