Aprillia, A. and Alfredo Ezra Amadeus (2022) “PENGUJIAN EFEK KUALITAS LAYANAN PADA LOYALITAS PELANGGAN KARTU TELKOMSEL SELAMA PANDEMI COVID-19”, Accounting and Management Journal, 6(2), pp. 13–24. doi: 10.33086/amj.v6i2.2705.