Hamdan, Hamdan. “KEPUASAN DAN LOYALITAS PELANGGAN MY PERMATA WISATA :SERVQUAL MODEL”. Jurnal Ilmiah Manajemen dan Bisnis 4, no. 2 (November 14, 2018): 198–214. Accessed June 2, 2026. https://publikasi.mercubuana.ac.id/index.php/jimb/article/view/3979.