Upadhayaya, Pranil Kumar. “Sustainable Management of Trekking Trails for the Adventure Tourism in Mountains: A Study of Nepal’s Great Himalaya Trails”. Journal of Tourism & Adventure 1, no. 1 (December 3, 2018): 1–31. Accessed January 20, 2025. https://www.nepjol.info/index.php/jota/article/view/22748.