Ansharil Haq, R., T. Manalu, and A. Habibi. “Situ Gunung Nature Tourism Park: Applying the Ecotourism Principle of The International Ecotourism Society (TIES)”. International Journal of Green Tourism Research and Applications, vol. 7, no. 2, Dec. 2025, pp. 144-55, doi:10.31940/ijogtra.v7i2.144-155.