Maidin, S. S. and Yahya, N. (2025) “Price Trend Prediction and Discount Optimization for Video Games in Online Stores Using XGBoost and Time-Series Analysis: A Data Mining Approach for Metaverse-Driven Market Insights”, International Journal Research on Metaverse, 2(4), pp. 333–353. doi: 10.47738/ijrm.v2i4.41.