PETRIKIENĖ, Dalia Virginija. The quantitative evaluation of information services. Knygotyra, [S. l.], v. 22, n. 15-2, p. 26–32, 1988. DOI: 10.15388/Knygotyra.1988.36558. Disponível em: https://www.journals.vu.lt/knygotyra/article/view/36558. Acesso em: 7 apr. 2025.