Ramadhan, G. H., M. Kusumawardani, and M. N. Zakaria. “Analysis of LTE Network Performance in Regional Surabaya City (Case Study of Telkomsel Company)”. JURNAL JARTEL: Jurnal Jaringan Telekomunikasi, vol. 15, no. 4, Dec. 2025, pp. 405-16, doi:10.33795/jartel.v15i4.6283.