Utama Putra, S., and M. . Marimin. “Pengaruh Kualitas Pelayanan Terhadap Tingkat Kepuasan Tamu Di Housekeeping Department Hotel Lor In Surakarta”. Jurnal Pariwisata Indonesia, vol. 10, no. 1, Dec. 2014, pp. 43-65, http://jurnal.stpsahidsurakarta.ac.id/index.php/JPI/article/view/186.