Gyeltshen,Tashi. Bhutan quiz book : 6000 plus questions & answers / Tashi Gyeltshen, - Thimphu : Bhutan Communication Services, 2015. - 360. p. ; 14 cm. Everything there is to know about Bhutan. ISBN: 9789993689331 LCCN: Subjects--Topical Terms: Bhutan--Questions and answersQuiz.--