NISFU KHARISTA, R.; HADISUWARNO, H. Pengaruh Kualitas Pelayanan, Persepsi Harga, dan Promosi terhadap Kepuasan Pelanggan di Mr. Keen Laundry. J-CEKI : Jurnal Cendekia Ilmiah, [S. l.], v. 2, n. 6, p. 458–470, 2023. DOI: 10.56799/jceki.v2i6.1775. Disponível em: https://journal-nusantara.com/index.php/J-CEKI/article/view/1775. Acesso em: 5 may. 2024.