Tshering Phuntsho และ Karma Wangchuk. (2026) Foreign Direct Investment under Gross National Happiness: A Qualitative Study of Bhutan's Investment Strategy. Rangsit University:ม.ป.ท.Tshering Phuntsho และ Karma Wangchuk. 2026. Foreign Direct Investment under Gross National Happiness: A Qualitative Study of Bhutan's Investment Strategy. ม.ป.ท.:Rangsit University;Tshering Phuntsho และ Karma Wangchuk. Foreign Direct Investment under Gross National Happiness: A Qualitative Study of Bhutan's Investment Strategy. ม.ป.ท.:Rangsit University, 2026. Print.