Wongsin, N., and S. Maneerat. “Factors Associated with Mental Health among Older Adults in Bangnampriao District, Chachoengsao Province”. Journal of Phrapokklao Nursing College, Chanthaburi, vol. 35, no. 2, Dec. 2024, pp. 231–246, https://he01.tci-thaijo.org/index.php/pnc/article/view/274178.