Kelen, Yoseph Pius Kurniawan Kelen. 2026. “Application of the Dempster-Shafer Method in Developing a Web-Based Expert System for Diagnosing Dental and Oral Diseases”. Ultimatics : Jurnal Teknik Informatika 17 (2):184-89. https://doi.org/10.31937/ti.v17i2.4478.