Druk Holding and Investments. DHI annual report 2014 / - Thimphu, Bhutan : Druk Holding and Investments, 2014. - 90 p. : ill. (some col. photographs) ; 26 cm. ISBN: NA LC Class. No.: GD00534 Dewey Class. No.: A5.10 / DHI Gov. Doc. Class. No.: A5.10