SAPUTRA, Y.; MANULLANG, R. R.; NOVIKA. STUDI KEPUASAN PELANGGAN HOTEL GRAND MUTIARA PANGKALPINANG MELALUI PENDEKATAN SERVQUAL DAN LOGIKA FUZZY. JURNAL PROGRESIF MANAJEMEN BISNIS, [S. l.], v. 7, n. 2, p. 50–59, 2020. Disponível em: https://e-jurnal.stie-ibek.ac.id/index.php/JIPMB/article/view/34. Acesso em: 3 jul. 2024.