Biblio

I. N. Water and Delhi, “The challenge of Gangtok : Nagari : eleventh meeting of the Urban Think Tank, June 17-18, 2000, Gangtok, Sikkim”. Water and Sanitation Program - South Asia, New Delhi, India, p. 8 p. : 7 photogr., 2000.

National Environmental Engineering Research Institute -Nagpur, IN, NEERI, “National training camp on iron removal, Gangtok (Sikkim), October 7th-8th, 1987 : report”. National Environmental Engineering Research Institute, NEERI, Nagpur, India, p. 28 p.: tab., 1988.