Supardi, Supardi, Chandra Kirana, and Ferdian Ferdian. “Expert System for Early Childhood Talent Detection Using Certainty Factor and Dempster Shafer Algorithms”. Journal of Information Systems and Informatics 7, no. 3 (September 30, 2025): 3025-3045. Accessed February 4, 2026. https://journal-isi.org.adsii.or.id/index.php/isi/article/view/1283.