Ministry of Labour and Human Resources. Regulation on occupational health, safety and welfare / - Thimphu, Bhutan : Department of Labour, Ministry of Labour and Human Resources, 2012. - viii, 179 p. : ill. ; 21 cm. ISBN: NA LC Class. No.: GD00377 Dewey Class. No.: A3.9 / MoLHR Gov. Doc. Class. No.: A3.9