FEBRIANI, H. A.; WIJAYA, D. P.; PRAMUNTADI, A.; PRASTOWO, W. D. Sistem Pakar Diagnosa Penyakit Lambung Menggunakan Metode Certainty Factor Berbasis Web: Expert System for Diagnosis of Gastric Diseases Using Web-Based Employment Factors Method. MALCOM: Indonesian Journal of Machine Learning and Computer Science, v. 4, n. 4, p. 1290-1300, 31 Jul. 2024.