R. Gustriansyah, D. A. Dewi, S. Puspasari, and A. Sanmorino, “A SARIMA APPROACH WITH PARAMETER OPTIMIZATION FOR ENHANCING FORECAST ACCURACY FOR NATIVE CHICKEN EGG PRODUCTION”, BAREKENG: J. Math. & App., vol. 20, no. 2, pp. 1331–1344, Jan. 2026.