List of Articles Armaghan Nikfar Article 1 - A Hybrid Deep Learning Model Based on BLSTM-GRU for Enhanced Call Volume Forecasting in Call Centers 10.66224/jist.52928.14.55.182 Armaghan Nikfar Sasan Harifi Javad Mohammadzadeh Journal of Information Systems and Telecommunication (JIST) , Issue 3 , Year , Summer 2026