“A Nonparametric Test for Detecting Univariate Self-Exciting Threshold Autoregressive (SETAR)-Type Nonlinearity in Time Series”. The Mindanawan Journal of Mathematics 4, no. 2 (November 30, 2022): 69–80. Accessed March 16, 2026. https://journals.msuiit.edu.ph/tmjm/article/view/145.