TY - JOUR AU - Nikfar, Armaghan AU - Harifi, Sasan AU - Mohammadzadeh, Javad TI - A Hybrid Deep Learning Model Based on BLSTM-GRU for Enhanced Call Volume Forecasting in Call Centers JO - Journal of Information Systems and Telecommunication (JIST) VL - 14 IS - 55 SP - 182 EP - 195 PY - 2026 DO - ER -