Dewa Ayu Made Juli Astari, I. B. Arya Lawa Manuaba, I Putu Suyoga Dharma, and I Putu Mariana. “Developing A Course Book of F&B Service for Enhancing Instruction in Tourism Class”. Journal of Psychology and Instruction 5, no. 3 (July 9, 2023). Accessed January 21, 2025. https://ejournal.undiksha.ac.id/index.php/JoPaI/article/view/64999.