Pratama, Y. H., F. Firmansyah, and A. Arfin. “Development of an Intelligent System for Early Diagnosis of Diseases in Toddlers Using Forward Chaining and Dempster-Shafer Integration”. Jurnal Sistem Cerdas, Vol. 8, no. 1, Apr. 2025, pp. 20 -29, doi:10.37396/jsc.v8i1.469.