Suwankiri, D. “Prosper or Inexistence: Path to Attaining Happiness in the Millennial Era from the Perspective of Eastern Philosophers and Students”. Thai Journal of East Asian Studies, vol. 17, no. 2, Sept. 2012, pp. 6-18, https://so02.tci-thaijo.org/index.php/easttu/article/view/50670.