Ritrung, S. (2019) “The welfare of the elderly in Nong Kung Subdistrict Administration Organization Mueang District in Kalasin Province”, Journal of Research and Development Institute Rajabhat Maha Sarakham University, 6(1), pp. 191–202. Available at: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/211408 (Accessed: 27 April 2024).