H. Pramoedyo, W. Ngabu, A. Iriany, and S. Riza, “PREDICTION OF SOIL PARTICLES USING A SPATIALLY ADAPTIVE GEOGRAPHICALLY WEIGHTED K-NEAREST NEIGHBORS ORDINARY LOGISTIC REGRESSION APPROACH”, BAREKENG: J. Math. & App., vol. 19, no. 4, pp. 2815-2830, Sep. 2025.