Chawla, S. A Textbook of Engineering Chemistry (04th.). Dhanpat Rai Publications.
Lua i Stíl Chicago (17ú heag.)Chawla, Shashi. A Textbook of Engineering Chemistry. 04th. New Delhi: Dhanpat Rai Publications.
Lua MLA (9ú heag.)Chawla, Shashi. A Textbook of Engineering Chemistry. 04th. Dhanpat Rai Publications.
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