MUSAFIRAH, MUSAFIRAH (2022) ESTIMASI MODEL REGRESI PENALIZED SPLINE MELALUI ESTIMATOR ROBUST M DAN S (STUDI KASUS: TINGKAT PENJUALAN EMAS LOGAM MULIA DAN TABUNGAN EMAS SELAMA PANDEMI COVID 19) = ESTIMATION OF PENALIZED SPLINE REGRESSION MODELS WITH ROBUST ESTIMATOR M AND S (CASE STUDY: PRECIOUS METAL GOLD SALES AND GOLD SAVINGS RATES DURING THE COVID 19 PANDEMIC). Thesis thesis, Universitas Hasanuddin.