T. BATURE, K. LASISI, A. ABDULKADIR, M. ADENOMON, and m. USMAN, “Testing For Stationarity On Selected Linear And Non-Linear Time Series Models Of Different Orders”, FJORAE, vol. 1, no. 1, pp. 90–102, May 2024, doi: 10.33003/fjorae.2024.0101.08.