Druk Holding and Investments. DHI melong : corporate reflections / - Thimphu, Bhutan : Druk Holding and Investments, October 2011. - 64 p. : ill. (some col. photographs) ; 28 cm. ISBN: NA LC Class. No.: GD00528 Dewey Class. No.: A5.10 / DHI Gov. Doc. Class. No.: A5.10