Adi, T. B., A. A. Tambunan, and E. Karunia. “Service Quality, Tourist Satisfaction and Loyalty in Sustainable Nature Tourism Supporting the SDGs”. Journal of Economics, Entrepreneurship, Management Business and Accounting, vol. 4, no. 5, Sept. 2026, pp. 2067-82, doi:10.61255/jeemba.v4i5.2097.