Nuffield Foundation. Science Teaching Project. (1974). Chemistry : chemical engineering: A special study. Penguin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNuffield Foundation. Science Teaching Project. Chemistry : Chemical Engineering: A Special Study. Harmondsworth, MIddlesex: Penguin, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNuffield Foundation. Science Teaching Project. Chemistry : Chemical Engineering: A Special Study. Penguin, 1974.
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