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Ngarambe, Jack; Lim, Hong Soo; Kim, Gon . (2018). Light Pollution: Is there an Environmental Kuznets Curve?. Sustainable Cities and Society, (), S2210670717315317–. doi:10.1016/j.scs.2018.07.018 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research