VIVIMARYATI, V.; TRIAYUDI, A.; SHOLIHATI, I. D. Analysis of the Effectiveness of Online Lectures Against Student Achievements Using the C4.5 Method (Case Study: Faculty of Communication and Information Technology National University): Analysis of the Effectiveness of Online Lectures Against Student Achievements Using the C4.5 Method (Case Study: Faculty of Communication and Information Technology National University). Jurnal Mantik, [S. l.], v. 4, n. 1, p. 654-661, 2020. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/833. Acesso em: 9 may. 2026.