Dewantika, Putri, Adi Prijuna Lubis, and Pristiyanilicia Putri. 2022. “Penerapan Teknik Forward Chaining Dan Certainty Factor Untuk Mendeteksi Penyakit Gastroesophageal Reflux Disease (GERD)”. Building of Informatics, Technology and Science (BITS) 3 (4), 696−703. https://doi.org/10.47065/bits.v3i4.1439.