Hutagalung, A.A. and Sari, R.F. 2024. Forecasting Indihome Users By Using Trigonometrics, Box Cox, Transformation, Arma Error, Trend, And Seasonal (TBATS) Methods. Mathline : Jurnal Matematika dan Pendidikan Matematika. 9, 1 (Feb. 2024), 243–256. DOI:https://doi.org/10.31943/mathline.v9i1.579.