College of Science and Technology. College of Science and Technology annual magazine 2018 / - Rinchending, Phuentsholing, Bhutan : College of Science and Technology, 2018. - 119 p. : ill. (some col. pages and photographs) ; 24 cm. ISBN: NA LC Class. No.: GD00105-GD00106 Dewey Class. No.: A1.5 / CST Gov. Doc. Class. No.: A1.5