Darman D, Badi’ah H, Gunawan R. ANALISIS PELAYANAN TELKOMSEL TERHADAP KEPUASAN PELANGGAN. zn [Internet]. 2024Jun.10 [cited 2024Jul.1];6(2):486 -498. Available from: https://journal.unilak.ac.id/index.php/zn/article/view/13133