Ramadhan, Khairu, and Afif Badawi. 2023. “Analisis Dempster Shafer Dalam Mendiagnosa Penyakit Coffea Canephora (Kopi Robusta)”. Journal of Information System Research (JOSH) 4 (4), 1395-1401. https://doi.org/10.47065/josh.v4i4.3818.