McLoughlin, Emmet, James Hanrahan, Ann Duddy, and Séan Duffy. “European Tourism Indicator System for Sustainable Destination Management in County Donegal, Ireland”. European Journal of Tourism Research 20 (October 1, 2018): 78–91. Accessed October 26, 2026. https://www.ejtr.vumk.eu/index.php/about/article/view/341.