MUTSNA, M.; BIANTO, M. A. .; KRISWANTORO, M. C. . Recommendation Implementation of a Digital Book Recommendation System Using Item-Based Collaborative Filtering in a University Library Application.: Item-Based Collaborative Filtering, recommendation system, digital library, Pearson correlation, MAE. Jurnal CoSciTech (Computer Science and Information Technology), [S. l.], v. 6, n. 2, p. 230–236, 2025. DOI: 10.37859/coscitech.v6i2.10011. Disponível em: https://ejurnal.umri.ac.id/index.php/coscitech/article/view/10011. Acesso em: 17 apr. 2026.