Não informado. (1991). Process and Chemical Engineering. Royal Society of Chemistry.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Process and Chemical Engineering. Cambridge, Inglaterra: Royal Society of Chemistry, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Process and Chemical Engineering. Royal Society of Chemistry, 1991.
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