Dwivedi, Shashi Dwivedi, Anil K. River Pollution and sollution Shashi Dwivedi - ed. - Kolkata New Central Book Agency 2010 - xii, 182pg. Includes index and bibliography. ISBN: 978 81 7381 622 2 Subjects--Topical Terms: River pollution Pollution Dewey Class. No.: 628.168/D991r