ERLINDAI, E.; NENGSIH, Y. G.; SARAGIH, P.; SINAGA, R. A. Application of the Certainty Factor Method for the Expert System for Diagnosing ISPA Disease (Acute Respiratory Infection) in Children Based on the Website. Jurnal Info Sains : Informatika dan Sains, [S. l.], v. 13, n. 02, p. 337–344, 2023. Disponível em: https://ejournal.seaninstitute.or.id/index.php/InfoSains/article/view/2893. Acesso em: 12 may. 2026.