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Rodrigues, A. L. O., Rodrigues, A., & Peroff, D. M. (2015). The Sky and Sustainable Tourism Development: A Case Study of a Dark Sky Reserve Implementation in Alqueva: The Sky and Sustainable Tourism Development. Int. J. Tourism Res., 17(3), 292–302.
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C-Sanchez, E., Sanchez-Medina, A. J., Alonso-Hernandez, J. B., & Voltes-Dorta, A. (2019). Astrotourism and Night Sky Brightness Forecast: First Probabilistic Model Approach. Sensors (Basel), 19(13), 2840.
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Mitchell, D., & Gallaway, T. (2019). Dark sky tourism: economic impacts on the Colorado Plateau Economy, USA. Tour. Rev., 74(4), 930–942.
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