National Statistics Bureau. 2017 Population & housing census of Bhutan : Tsirang dzongkhag / - Thimphu, Bhutan : National Statistics Bureau of Bhutan, c2018. - viii, 60 p. : ill. (some col. graphs) ; 24 cm. ISBN: 7989993628682 LC Class. No.: GD00158 Dewey Class. No.: A5.6 / NSB Gov. Doc. Class. No.: A5.6