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Singh, Jagpreet; Kumar, Sumit; Alok, Anshu; Upadhyay, Santosh Kumar; Rawat, Mohit; Tsang, Daniel C.W.; Bolan, Nanthi; Kim, Ki-Hyun . (2019). The potential of green synthesized zinc oxide nanoparticles as nutrient source for plant growth. Journal of Cleaner Production, (), S0959652619300186–. doi:10.1016/j.jclepro.2019.01.018 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research