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Swain, Nilam; Mishra, Sujata; Acharya, M.R. . (2020). Hydrometallurgical route for recovery and separation of samarium (III) and cobalt (II) from simulated waste solution using tri-n-octyl phosphine oxide – A novel pathway for synthesis of samarium and cobalt oxides nanoparticles. Journal of Alloys and Compounds, 815(), 152423–. doi:10.1016/j.jallcom.2019.152423 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research