K. Suryowati, M. O. Dedu, R. D. Bekti, and Junaidi, “Kernel selection in support vector regression for forecasting international tourist arrivals: Implications for economic resilience and national defense”, App.Sci.Def, vol. 4, no. 2, pp. 169–182, Aug. 2026, doi: 10.58524/app.sci.def.v4i2.1496.