Muchayan, Achmad. 2020. “ERBANDINGAN EAN VERAGE ERCENTAGE RROR ADA ERAMALAN ERGERAKAN ARGA EKSA ANA ENGGUNAKAN ETODE OLT AN BROWN’S OUBLE XPONENTIAL MOOTHING”. -ARODROID 6 (1), 8-13. https://doi.org/10.31090/narodroid.v6i1.1068.