DECISION TREE CLASSIFICATION ALGORITHM FOR RECOMMENDED BOOKS BY BOOK CATEGORY. E-BISNIS: JURNAL ILMIAH EKONOMI DAN BISNIS, [S. l.], v. 13, n. 2, p. 89–96, 2020. DOI: 10.51903/e-bisnis.v13i2.251. Disponível em: https://journal.stekom.ac.id/index.php/Bisnis/article/view/251. Acesso em: 15 jun. 2026.