Aprillia A, Alfredo Ezra Amadeus. PENGUJIAN EFEK KUALITAS LAYANAN PADA LOYALITAS PELANGGAN KARTU TELKOMSEL SELAMA PANDEMI COVID-19. AMJ [Internet]. 2022Dec.8 [cited 2024Jul.3];6(2):13-24. Available from: https://journal2.unusa.ac.id/index.php/AMJ/article/view/2705