Purba, M.A.B., Lase, K. , Sembiring, A.I.S. , Panjaitan, L.M. and Putra, A.Z. 2021. Implementation Of Secos Algorithm In Forecasting Gold Prices To Improve Business Intelligence Using Mse Accuracy Value Measurement. Jurnal Mantik. 5, 2 (Aug. 2021), 1259-1265.