ཀུན༌བཟང༌འཕྲིས། རྫོང༌ཁའི༌ཡིག༌བསྐུར༌རྣམ༌གཞག། - 2nd ed. - Thimphu : KMT, 2005. - 143 p. 22 cm. ISBN: 9993610070 Subjects--Topical Terms: Letter writing. Dewey Class. No.: 895.46 THI