Ahmad Mufarikuddin, Moh Agung Surianto. ANALISIS PENANGANAN KELUHAN PELANGGAN PADA PT. POS INDONESIA SURABAYA 60000. EKONOMIKA45 [Internet]. 2022 Dec. 30 [cited 2024 May 17];10(1):118-23. Available from: https://jurnaluniv45sby.ac.id/index.php/ekonomika/article/view/551