Bhutan. Ministry of Health and Education -BT y UNICEF -Thimphu, BT,
«Country level assessment of water supply and sanitation in Bhutan». Bhutan, Ministry of Health and Education, Department of Health Services, Thimphu, Bhutan, p. iv, 41 p. + 6 p. annexes : 2 boxes, 13 fig., 14 tab., 2003.
Ostrovksy, A., Speed, R., y Tuerk, E.,
«GATS, water and the environment : implications of the general agreement on trade in services for water resources». WWF International, Gland, Switzerland, p. 54 p., 2003.