PAPACHRISTOPOULOS, Leonidas et al. Introducing Sentiment Analysis for the Evaluation of Library’s Services Effectiveness. Qualitative and Quantitative Methods in Libraries, [S.l.], v. 8, n. 1, p. 99-110, mar. 2019. ISSN 2241-1925. Available at: <http://78.46.229.148/ojs/index.php/qqml/article/view/515>. Date accessed: 20 apr. 2024.