ELANGOVAN R. (1997). UNIT OPERATIONS IN ENVIRONMENTAL ENGINEERING. NEW-AGE INTERNATIONAL.
Chicagoスタイル(17版)引用形式ELANGOVAN R. UNIT OPERATIONS IN ENVIRONMENTAL ENGINEERING. NEW DELHI: NEW-AGE INTERNATIONAL, 1997.
MLA(9版)引用形式ELANGOVAN R. UNIT OPERATIONS IN ENVIRONMENTAL ENGINEERING. NEW-AGE INTERNATIONAL, 1997.
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