Ministry of Infrastructure and Transport. Handbook for countermeasures of slope disaster on roads / - Thimphu, Bhutan : Ministry of Infrastructure and Transport, May 2024 - 94 p. : ill. ; 28 cm. - Ver-1 . Includes some colour pages and photograph. ISBN: NA LC Class. No.: GD001015-GD001029 Dewey Class. No.: A3.8 / MoIT