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Nawaz Khan;Pankaj Chowdhary;Edgard Gnansounou;Preeti Chaturvedi;. (2021). Biochar and environmental sustainability: Emerging trends and techno-economic perspectives . Bioresource Technology, (), –. doi:10.1016/j.biortech.2021.125102 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research