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Yahya, Mohd Adib; Al-Qodah, Z.; Ngah, C.W.Z.C.W.; Hashim, Mohd Azman . (2015). Preparation and Characterization of Activated Carbon from Desiccated Coconut Residue by Potassium Hydroxide. Asian Journal of Chemistry, 27(6), 2331–2336. doi:10.14233/ajchem.2015.18804 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research