APRILLIA, Ariesya; ALFREDO EZRA AMADEUS. Pengujian Efek Kualitas Layanan pada Loyalitas Pelanggan Kartu Telkomsel selama Pandemi Covid-19. Accounting and Management Journal, [S. l.], v. 6, n. 2, p. 13–24, 2022. DOI: 10.33086/amj.v6i2.2705. Disponível em: https://journal2.unusa.ac.id/index.php/AMJ/article/view/2705. Acesso em: 28 jul. 2026.