(2003). Wastewater Engineering: Treatment and reuse (4th ed.). McGraw Hill Education (India) Pvt. Ltd.
Tohutoru Kātū Chicago (17th ed.)Wastewater Engineering: Treatment and Reuse. 4th ed. New Delhi: McGraw Hill Education (India) Pvt. Ltd, 2003.
Tohutoro MLA (9th ed.)Wastewater Engineering: Treatment and Reuse. 4th ed. McGraw Hill Education (India) Pvt. Ltd, 2003.
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