Phuentsholing City Corporation. Toorsa river flood mitigation project : detailed feasibility study and engineering design / - Bhutan : Phuentsholing City Corporation, Ministry of Works and Human Settlement, November 2007. - 12-26 p. & I-6 p. : ill. (some graphs) ; 29 cm. ISBN: NA LC Class. No.: GD00338 Dewey Class. No.: A3.10 / PCC