Dirgantara, B., and H. Hairani. “Sistem Pakar Diagnosa Penyakit THT Menggunakan Inferensi Forward Chaining Dan Metode Certainty Factor”. Jurnal Bumigora Information Technology (BITe), Vol. 3, no. 1, July 2021, pp. 1-8, doi:https://doi.org/10.30812/bite.v3i1.1241.