Widowati, Sri, Gede Ginaya, and Ni Nyoman Triyuni. “Penta Helix Model to Develop Ecotourism: Empowering the Community for Economic and Ecological Sustainability”. International Journal of Social Sciences and Humanities 3, no. 2 (June 9, 2019): 31–46. Accessed April 17, 2026. http://www.sciencescholar.us/journal/index.php/ijssh/article/view/288.