Darmadi , Dandi, Muhammad Indrawan Jatmika, and Anggie Parawitha Lucca. “Public Service Through the Provision of Tourist Route Instructions in the Integrated Ampel Tourism Area of Surabaya City”. Nusantara Science and Technology Proceedings 2023, no. 33 (May 20, 2023): 610–617. Accessed July 30, 2025. https://nstproceeding.com/index.php/nuscientech/article/view/1005.