فهرس المقالات Judhajit Sanyal المقاله 1 - Comparative Study of 5G Signal Attenuation Estimation Models 20.1001.1.23221437.2023.11.42.4.1 10.52547/jist.32544.11.42.84 Md Anoarul Islam Manabendra Maiti Judhajit Sanyal Quazi Md Alfred Journal of Information Systems and Telecommunication (JIST) , العدد 2 , السنة 11 , بهار 2023