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Beuermann, Diether W.; Cristia, Julian; Cueto, Santiago; Malamud, Ofer; Cruz-Aguayo, Yyannu . (2015). One Laptop per Child at Home: Short-Term Impacts from a Randomized Experiment in Peru <sup>†</sup>. American Economic Journal: Applied Economics, 7(2), 53–80. doi:10.1257/app.20130267 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research