FATKHURRAHMAN, Muhammad RIzky; RAHADIAN, Muhammad Irfan. The Analysis of Customer Service Management in Improving Human Resource Performance at Grapari Telkomsel. Jurnal Bisnis, Ekonomi, Manajemen, dan Kewirausahaan , [S. l.], v. 5, n. 2, p. 48–56, 2025. DOI: 10.52909/jbemk.v5i1.215. Disponível em: https://abnus.co/index.php/jbemk/article/view/215. Acesso em: 8 jun. 2026.