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Hasim, K.A.; Kefal, A. . (2021). Isogeometric static analysis of laminated plates with curvilinear fibers based on Refined Zigzag Theory. Composite Structures, 256(), 113097–. doi:10.1016/j.compstruct.2020.113097 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research