FARIDA, Y.; PURWANTI, I.; ULINNUHA, N. COMPARING GAUSSIAN AND EPANECHNIKOV KERNEL OF NONPARAMETRIC REGRESSION IN FORECASTING ISSI (INDONESIA SHARIA STOCK INDEX). BAREKENG: Jurnal Ilmu Matematika dan Terapan, v. 16, n. 1, p. 323-332, 21 mar. 2022.