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Filipović, Petar; Dović, Damir; Ranilović, Borjan; Horvat, Ivan . (2019). Numerical and experimental approach for evaluation of thermal performances of a polymer solar collector. Renewable and Sustainable Energy Reviews, 112(), 127–139. doi:10.1016/j.rser.2019.05.023 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research