Adityaningrum, A., S. Ladjali, I. Djakaria, L. Yahya, M. Payu, L. Nashar, and H. Jusuf. “COMPARING GAUSSIAN KERNEL AND QUADRATIC SPLINE OF NONPARAMETRIC REGRESSION IN MODELING INFECTIOUS DISEASES”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, Vol. 17, no. 4, Dec. 2023, pp. 2135-46, doi:10.30598/barekengvol17iss4pp2135-2146.