Harish Arora

Conventional and Unconventional Approaches to Water Service Provision  Robert Raucher Marca Hagenstad Joseph Cotruvo Kate Martin Harish Arora Regu Regunathan Joseph Drago Fred Pontius Paperback. American Water Works Research Foundation, 2004-12-15 ISBN 9781583213551     Treatment Options for Giardia, Cryptosporidium, and Other Contaminants in Recycled Backwash Water  David A. Cornwell Michael J. Macphee Nancy E. McTigue Harish Arora George Digiovanni Mark Lechevallier James S. Taylor Hardcover. Amer Water Works Assn, 2001-03-01 ISBN 9781583210987