Druk Holding and Investments. DHI melong : corporate reflections / - Thimphu, Bhutan : Druk Holding and Investments, September 2015. - 44 p. : ill. (some col. photographs) ; 28 cm. ISBN: NA LC Class. No.: GD00533 Dewey Class. No.: A5.10 / DHI Gov. Doc. Class. No.: A5.10