Syadiaz , Muhammad, and Salman Paludi. “Pengaruh Kualitas Pelayanan, Persepsi Harga Dan Promosi Terhadap Kepuasan Tamu The Sultan Hotel: Kualitas Pelayanan, Persepsi Harga, Promosi, Kepuasan Tamu”. RIGGS: Journal of Artificial Intelligence and Digital Business, vol. 5, no. 2, July 2026, pp. 22916-23, doi:10.31004/riggs.v5i2.12173.