Biblio

I. Department IN, «Guidelines on central rural sanitation programme : total sanitation campaign». India, Department of Drinking Water Supply, New Delhi, India, p. 44 p. : tab., 2004.

I. Department IN, «School water supply, sanitation and hygiene education : India». India, Department of Drinking Water Supply, New Delhi, India, p. 20 p. : boxes, fig., 2004.