Buajun, A., N. Nuansithong, T. Sawatsing, and T. Peth-Nui. “Factors related to depression among the older adults in community at Muang District in Chaiyaphum Province”. Thai Journal of Nursing, vol. 70, no. 4, Nov. 2021, pp. 20-27, https://he02.tci-thaijo.org/index.php/TJN/article/view/249617.