Tangseree, T., S. Arunpongpaisal, A. Chiravatkul, T. Krisanaprakornkit, K. Kittiwattanagul, W. Pratchayakhup, A. Laosuangkul, S. Kaewhao, W. Huttapanom, P. Pratchayakhup, and A. Mongkol. “Development for Depression and Suicidal Risk Screening Test (version 2009)”. Journal of the Psychiatric Association of Thailand, vol. 54, no. 3, Apr. 2013, pp. 287-98, https://he01.tci-thaijo.org/index.php/JPAT/article/view/7670.