Ministry of Works and Human Settlement. Pictorial manual for engineers / - Thimphu, Bhutan : Engineering Service Division, Department of Engineering Services, Ministry of Works and Human Settlement, NA - 139 p. : ill. (col. photographs and pictures) : 20 cm. ISBN: NA LC Class. No.: GD00361 Dewey Class. No.: A3.10 / MoWHS Gov. Doc. Class. No.: A3.10