Tinamberan, I., J. R. E. Tampi, and D. D. S. Mukuan. “Pengaruh Kualitas Pelayanan Terhadap Kepuasan Pelanggan Hotel Grand Puri Manado”. Productivity, vol. 2, no. 2, Apr. 2021, pp. 108-13, https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/33533.