Ministry of Works and Human Settlement. Guide for units of measurement / - Thimphu, Bhutan : Standard and Quality Control Authority, Ministry of Works and Human Settlement, NA - 16 p. : ill. ; 21 cm. ISBN: NA LC Class. No.: GD00347-GD00348 Dewey Class. No.: A3.10 / MoWHS Gov. Doc. Class. No.: A3.10