MARKIN, P. B. OPEN EDUCATIONAL RESOURCES IN THE CONTEXT OF OPEN ACCESS. University Library at a New Stage of Social Communications Development. Conference Proceedings, [S. l.], n. 6, p. 76–82, 2021. DOI: 10.15802/unilib/2021_249625. Disponível em: http://unilibnsd.diit.edu.ua/article/view/249625. Acesso em: 19 may. 2022.