AMIN, Mohamed; MOUATY, Rokaia Abd El. Stratified Grammar Systems with Simple and Dynamically Organized Strata. Computing and Informatics, [S. l.], v. 23, n. 4, p. 355–362, 2012. Disponível em: https://www.cai.sk/ojs/index.php/cai/article/view/434. Acesso em: 23 jan. 2025.