KOMBINASI METODE BACKWARD CHAINING DAN CERTAINTY FACTOR MENDIAGNOSA PENYAKIT GANGGUAN ANSIETAS. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 6, n. 3, p. 657–662, 2023. DOI: 10.54314/jssr.v6i3.1469. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/1469.. Acesso em: 3 may. 2026.