Mariņo, Manuel. An integrated approach to wastewater treatment : deciding where, when, and how much to invest / Manuel Mariņo, John Boland. - Washington, D.C. : World Bank, c1999. - xiv, 46 p. : ill., maps ; - Directions in development . Includes bibliographical references. ISBN: 0821344676 Subjects--Topical Terms: SewageSewage disposal plants Dewey Class. No.: 353.9324 MAR.N9