Vivimaryati, Vivimaryati, Agung Triayudi, and Ira Diana Sholihati. “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 4, no. 1 (May 31, 2020): 654-661. Accessed September 4, 2026. https://www.ejournal.iocscience.org/index.php/mantik/article/view/833.