Harahap, S. Z., Munandar, M. H., Masrizal, Munthe, I. R., & Siregar, M. P. P. (2020). Implementation of C4.5 Agorithm in predicting the timeliness of student graduation (Case Study: Informatics Management Study Program, Labuhanbatu University). Jurnal Mantik, 4(3), 2041-2048. https://doi.org/10.35335/mantik.Vol4.2020.1064.pp2041-2048