GINA SONIA; INDRIYANI, Agil. Analysis Of The Application Of Data Mining Using The C4.5 Algorithm Method For Data Collection On Permanent Employees In North Sumatera Coni. Journal of Computer Science and Informatics Engineering , [S. l.], v. 2, n. 1, p. 48–55, 2023. DOI: 10.55537/cosie.v2i1.523. Disponível em: https://journal.aira.or.id/index.php/cosie/article/view/523. Acesso em: 4 aug. 2025.