(Suphachai Butraket), P. S. S., K. Kongsumruay, C. Nahuanil, and N. Supa. “The Development Strategy of Buddhist Method for Happiness Society for the Elderly People, Roi Et Province”. Dhammathas Academic Journal, vol. 24, no. 2, June 2024, pp. 271-86, https://so06.tci-thaijo.org/index.php/dhammathas/article/view/266854.