P. Piasupun, R. Siriket, S. Khanrugsa, A. Raksattya, and P. Limpawattana, “Validity and Reliability Study of the Thai Version of the Functional Assessment Staging Test (FAST) for Dementia Patients”, SRIMEDJ, vol. 41, no. 2, pp. 210–222, Apr. 2026.