A million villages, a million decades? : the world water and sanitation decade from two south Indian village - Guruvarajapalayam and Vellakal / by Sumi Krishna Chauhan and K. Gopalakrishnan - Chauhan, Sumi Krishna; Gopalakrishnan, K. (London : An Earthscan Paperback)
Keywords: 1.PURIFICACIÓN DEL AGUA 2.SANEAMIENTO AMBIENTAL 3.POBREZA -INDIA