WASTEWATER TREATMENT. (2004). Wastewater treatment technologies and environment vol.1. Daya Publishing House.
Chicago-viite (17. p.)WASTEWATER TREATMENT. Wastewater Treatment Technologies and Environment Vol.1. Delhi: Daya Publishing House, 2004.
MLA-viite (9. p.)WASTEWATER TREATMENT. Wastewater Treatment Technologies and Environment Vol.1. Daya Publishing House, 2004.
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