Suhartono, S. “A COMPARATIVE STUDY OF FORECASTING MODELS FOR TREND AND SEASONAL TIME SERIES DOES COMPLEX MODEL ALWAYS YIELD BETTER FORECAST THAN SIMPLE MODELS ”. Jurnal Teknik Industri: Jurnal Keilmuan Dan Aplikasi Teknik Industri, vol. 7, no. 1, Oct. 2005, pp. 22-30, doi:10.9744/jti.7.1.22-30.