AHMED, Bashar. An Expert System for Engine Excavator Troubleshooting. Journal of Soft Computing and Data Mining, [S. l.], v. 1, n. 2, p. 53–61, 2020. Disponível em: https://journal.uthm.edu.my/index.php/jscdm/article/view/7184. Acesso em: 14 aug. 2026.