Sinaga, R. (2020) “Sistem Pakar Mendiagnosa Penyakit Rheumatoid Arthiritis Dengan Menggunakan Metode Forward Chaining”, Journal of Information System Research (JOSH), 1(4), pp. 223-228. Available at: https://ejurnal.seminar-id.com/index.php/josh/article/view/149 (Accessed: 30April2026).