Sriprathai, W. . “The Guidance of prevention of depression in the elderly, Prathai District, Nakhon Ratchasima Province”. Maharat Nakhon Ratchasima Hospital Journal, vol. 39, no. 3, Aug. 2024, pp. 147-54, https://he04.tci-thaijo.org/index.php/MNRHJ/article/view/1519.