Alvin, Giovanni, Beta Budisetyorini, and Tatang Sopian. “YOGYAKARTA CITY AS A SMART DESTINATION TOURIST”. International Journal of Sustainable Competitiveness on Tourism 1, no. 02 (December 28, 2022): 41–52. Accessed May 20, 2024. https://journal.poltekpar-nhi.ac.id/index.php/ijscot/article/view/1014.