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Nowrouzi, Iman; Manshad, Abbas Khaksar; Mohammadi, Amir H. . (2019). Effects of concentration and size of TiO2 nano-particles on the performance of smart water in wettability alteration and oil production under spontaneous imbibition. Journal of Petroleum Science and Engineering, 183(), 106357–. doi:10.1016/j.petrol.2019.106357 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research