Podapol, C. “A Model for using Chanda in Iddhipada 4 to Support Learning in 21st Century of Student at Phrapariyattidham Schools in Loei Province”. Dhammathas Academic Journal, vol. 20, no. 2, June 2020, pp. 1-12, https://so06.tci-thaijo.org/index.php/dhammathas/article/view/174876.