Punmia, B.C. Ashok Kumar,J. ArunKumar,J. Waste water engineering: environmental engineering II - Bengaluru Laxmi Pub. 2016 - xv, 660 pages. Includes index ISBN: 9788131805961 Subjects--Topical Terms: Wast water technologyWaste disposalRural sanitation Dewey Class. No.: 628.43 / PUN