Utami B, Wijayanto H, Sumertajaya IM. Time-Series Data Modeling for Inflation Forecasting based on Subcategories of Commodity using TSClust Approach as Pre-processing. IJSBAR. 2018;39(1):21-33. Accessed December 4, 2025. https://gssrr.org/JournalOfBasicAndApplied/article/view/8986