RYBKA, L. A. MARKETING APPROACH IN THE MANAGEMENT OF LIBRARY OF UKRAINE. University Library at a New Stage of Social Communications Development. Conference Proceedings, [S. l.], n. 3, p. 264–267, 2019. DOI: 10.15802/unilib/2016_172918. Disponível em: https://unilibnsd.ust.edu.ua/article/view/172918. Acesso em: 2 may. 2024.