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Choi, Dongkyu; Lim, Seonguk; Han, Dongwook . (2020). Advanced metal–organic frameworks for aqueous sodium-ion rechargeable batteries. Journal of Energy Chemistry, (), S2095495620305192–. doi:10.1016/j.jechem.2020.07.024 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research