فهرست مقالات Jossy George مقاله 1 - Optimized Gradient Boosting for Financial Forecasting: A Data-Driven Approach to Gold Stock Prediction 10.66224/jist.51042.14.1.50 Shreya Garag Jossy George Akhil M. Nair Bosco Paul Alapatt Riya Baby Journal of Information Systems and Telecommunication (JIST) , شماره 0 , سال 14 , زمستان 2026