COMBINING ROUGH SET WITH CERTAINTY RATIO BASED ALGORITHM. International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135), [S. l.], v. 2, n. 7, p. 21–30, 2016. Disponível em: https://ijerat.com/index.php/ijerat/article/view/174. Acesso em: 14 nov. 2026.