LUCHKA, L. M. LIBRARY BOOK EXCHANGE: HISTORY AND CURRENT STATE. University Library at a New Stage of Social Communications Development. Conference Proceedings, [S. l.], n. 6, p. 83–88, 2021. DOI: 10.15802/unilib/2021_248388. Disponível em: https://unilibnsd.ust.edu.ua/article/view/248388. Acesso em: 19 apr. 2024.