فهرست مقالات Armaghan Nikfar مقاله 1 - A Hybrid Deep Learning Model Based on BLSTM-GRU for Enhanced Call Volume Forecasting in Call Centers Armaghan Nikfar Sasan Harifi Javad Mohammadzadeh Journal of Information Systems and Telecommunication (JIST) , شماره 3 , سال 14 , تابستان 2026