Ansharil Haq, Ramiz, Triana Manalu, and Ahmad Habibi. “Situ Gunung Nature Tourism Park: Applying the Ecotourism Principle of The International Ecotourism Society (TIES)”. International Journal of Green Tourism Research and Applications 7, no. 2 (December 10, 2025): 144–155. Accessed December 15, 2025. https://ojs2.pnb.ac.id/index.php/IJOGTRA/article/view/2591.