YARNIWATI GULO; ROSYANI, Perani. SISTEM PAKAR DIAGNOSA PENYAKIT PENCERNAAN PADA MANUSIA MENGGUNAKAN METODE CERTAINTY FACTOR BERBASIS WEBSITE. JRIIN :Jurnal Riset Informatika dan Inovasi, [S. l.], v. 1, n. 2, p. 267–275, 2023. Disponível em: https://jurnalmahasiswa.com/index.php/jriin/article/view/350. Acesso em: 5 feb. 2026.