[1]
T. Saifudin, S. Suliyanto, G. C. Nugraha, H. Valida, M. H. Nahar, and R. Fortunata, “MODELING DEMOCRACY INDEX IN INDONESIA WITH MULTIVARIATE ADAPTIVE REGRESSION SPLINE APPROACH”, BAREKENG: J. Math. & App., vol. 19, no. 4, pp. 2347-2358, Sep. 2025.