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Nainggolan Parhusip MP, Ismawanto T, Arazy DR. ANALISIS LAYANAN CUSTOMER SERVICE DALAN MENINGKATKAN LOYALITAS NASABAH PADA PT BANK RAKYAT INDONESIA UNIT MANGGAR. J Tugas Akhir Mhs Poltekba [Internet]. 2024Nov.5 [cited 2025Jan.18];6(2):95-100. Available from: https://ejournal.poltekba.ac.id/index.php/jmap/article/view/451