Somya, Saowalak, and Prayote Songklin. “The Development of Elderly Quality of Life in Wang Nang Sub-District Municipality, Mueang District, Maha Sarakham Province”. Governance Journal 12, no. 1 (March 24, 2023): 17–32. Accessed May 3, 2024. https://so01.tci-thaijo.org/index.php/gjournal-ksu/article/view/264215.