Pratiwi, L. P. “PERBANDINGAN METODE CROSS VALIDATION DAN GENERALIZED CROSS VALIDATION DALAM REGRESI NONPARAMETRIK BIRESPON SPLINE”. Jurnal Varian, Vol. 1, no. 1, Sept. 2017, pp. 43-53, doi:https://doi.org/10.30812/varian.v1i1.49.