สามัคคีธรรม ส. “เรื่อง ‘Sufficiency Thinking: Thailand’s Gift to an Unsustainable World’”. Journal of Social Development and Management Strategy, vol. 20, no. 2, Oct. 2018, pp. 173-8, https://so04.tci-thaijo.org/index.php/jsd/article/view/149051.