AHMAD MUFARIKUDDIN; MOH AGUNG SURIANTO. ANALISIS PENANGANAN KELUHAN PELANGGAN PADA PT. POS INDONESIA SURABAYA 60000. EKONOMIKA45 :  Jurnal Ilmiah Manajemen, Ekonomi Bisnis, Kewirausahaan, [S. l.], v. 10, n. 1, p. 118–123, 2022. DOI: 10.30640/ekonomika45.v10i1.551. Disponível em: https://jurnaluniv45sby.ac.id/index.php/ekonomika/article/view/551. Acesso em: 17 may. 2024.