Druk Holding and Investments. Royal charter for Druk Holding and Investments / - Thimphu, Bhutan : Druk Holding and Investments, November 2008. - 6 p. : ill. ; 24 cm. ISBN: NA LC Class. No.: GD00520-GD00521 Dewey Class. No.: A5.4 / DHI Gov. Doc. Class. No.: A5.4