Asur Suryana, Ika Fitria Hasibuan, Sri Febdarina, Dini Ramadhani, and M. Maryantina, “Penerapan SOP Waiter/waitress terhadap Kualitas Pelayanan untuk Meningkatkan Kepuasan Tamu di Restaurant Peterseli Kitchen”, TOBA: Journal of Tourism, Hospitality, and Destination, vol. 5, no. 1, pp. 63–77, Feb. 2026.