Nutjira Sumonta และ Duchduen Bhanthumnavin. (2019) Antecedents of behavior relating to sufficiency economy philosophy and happiness in living in Boonniyom community members . National Institute of Development Administration:ม.ป.ท.Nutjira Sumonta และ Duchduen Bhanthumnavin. 2019. Antecedents of behavior relating to sufficiency economy philosophy and happiness in living in Boonniyom community members . ม.ป.ท.:National Institute of Development Administration;Nutjira Sumonta และ Duchduen Bhanthumnavin. Antecedents of behavior relating to sufficiency economy philosophy and happiness in living in Boonniyom community members . ม.ป.ท.:National Institute of Development Administration, 2019. Print.