Upadhyay, Alka Rani Aquatic plants for the waste water treatment - Delhi Daya Pub. 2004 - x, 181 p. ISBN: 8170353351 Subjects--Topical Terms: Aquatic PlantsENVIRONMENTAL PROBLEMSLIQUID WASTESSOCIOLOGYWASTE DISPOSALWASTE WATER MANAGEMENTWASTE WATER REUSE Dewey Class. No.: 363.7284 / UPA