Lubis, D.A., Johra, M.B. and Darmawan, G. 2017. Peramalan Indeks Harga Konsumen dengan Metode Singular Spectral Analysis (SSA) dan Seasonal Autoregressive Integrated Moving Average (SARIMA). Jurnal Matematika MANTIK. 3, 2 (Oct. 2017), 74–82. DOI:https://doi.org/10.15642/mantik.2017.3.2.74-82.