Utami, Budi, Hari Wijayanto, and I Made Sumertajaya. 2018. “Time-Series Data Modeling for Inflation Forecasting Based on Subcategories of Commodity Using TSClust Approach As Pre-Processing”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 39 (1):21-33. https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/8986.