Khenpo Phuntshok Tashi Invoking Happiness : guide to the sacred festivals of Bhutan & Gross National Happiness / Khenpo Phuntshok Tashi. - Thimphu : Khenpo Phuntshok Tashi, 2011. - 295 p. ; col. ill. 23 cm. ISBN: 9789993677734 Dewey Class. No.: 294.34444 PHU