Modi, P. N. Sewage Treatment Disposal and Waste Water Engineering (Environmental Engineering Vol-2) - 7th Ed. - Delhi Standard Book House Rajsons Publication Pvt. Ltd. 2020 - 988 p. 24 cm. Text in English ISBN: 9788194359715 Subjects--Facted Index Terms: CIVI Index Terms--Genre/Form: C-12 Dewey Class. No.: 628.5 / MOD