Application Of Certainty Factor In Detecting Learning Concentration Disorders In Children At School. ITEJ (Information Technology Engineering Journals), [S. l.], v. 10, n. 2, p. 307–314, 2025. DOI: 10.24235/itej.v10i2.277. Disponível em: https://itej.uinssc.ac.id/index.php/itej/article/view/277. Acesso em: 10 mar. 2026.