M. P. . Probo S, V. D. . Purnomo, B. H. C. . Handoyo, and S. A. . Kadir, “The Surakarta City Tourism Development Policy is based on Regional Regulation Number 5 of 2017 Concerning the Implementation of Tourism Businesses”, SOSPOLBUD, vol. 2, no. 1, pp. 189–200, Jan. 2023.