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Amore, Alberto; de Bernardi, Cecilia; Arvanitis, Pavlos . (2020). The impacts of Airbnb in Athens, Lisbon and Milan: a rent gap theory perspective. Current Issues in Tourism, (), 1–14. doi:10.1080/13683500.2020.1742674 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research