Somya, Saowalak, and Prayote Songklin. 2023. “The Development of Elderly Quality of Life in Wang Nang Sub-District Municipality, Mueang District, Maha Sarakham Province”. Governance Journal 12 (1):17-32. https://so01.tci-thaijo.org/index.php/gjournal-ksu/article/view/264215.