Open Access (OA) refers to unrestricted online access to scholarly research publications along with the unrestricted usage of these publications in this digital and big-data era. This term and the concept of “Open Access” was first defined in three statements: the Budapest Open Access Initiative (2002), the Bethesda Statement on Open Access Publishing (2003), and the Berlin Declaration on Open Access to Knowledge in the Sciences and Humanities (2003). Publishing according to the Open Access model promotes science and education and benefits researchers and students because:
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