Riantisari, R.; Putri, A. R.; Husna , F. K. Formulation of Competitiveness Strategy and Tourism Business Governance for Umbul (Natural Spring) Attractions in Klaten Regency. J. Ekon. Manaj. Bis. 2026, 4 (3), 1511–1524. https://doi.org/10.70716/emis.v4i3.731.