Ukranan, Prapat, Apichai Mongkol, Tavee Tangseree, Watchanee Huttapanom, Praiwan Romsai, and Pilin Pratchayakhup. “The Development of Suicidal Screening Test (SU-9)”. Journal of Health Science of Thailand 21, no. 6 (December 18, 2017): 1093–1104. Accessed December 5, 2025. https://thaidj.org/index.php/JHS/article/view/1195.