Daulay, S. A., S. Subagio, and W. A. Ritonga. “EXPERT SYSTEM TO DIAGNOSE DISEASES IN THE HUMAN DIGESTIVE SYSTEM USING THE FORWARD CHAINING METHOD CASE STUDY OF PUSKESMAS HUTAGODANG HEALTH CENTER”. U-NET Jurnal Teknik Informatika, Vol. 8, no. 2, Mar. 2025, pp. 22-28, doi:10.52332/u-net.v8i2.883.