National Environment Commission. Bhutan water vision and Bhutan water policy / - Thimphu, Bhutan : National Environment Commission, NA - iv, 38 p. : ill. (some col. maps) ; 26 cm. ISBN: NA LC Class. No.: GD00474-GD00475 Dewey Class. No.: A5.5 / NEC Gov. Doc. Class. No.: A5.4