Katapoonyo, P. A. S. ., and P. M. . Thitapanyo. “Developing People and Country in Kutadanta Sutta”. Dhammathas Academic Journal, vol. 20, no. 1, Mar. 2020, pp. 167-76, https://so06.tci-thaijo.org/index.php/dhammathas/article/view/156478.