ASHAARI, S.; TURAEV, S.; OKHUNOV, A. Tree Valence Controlled Grammars. International Journal on Perceptive and Cognitive Computing, [S. l.], v. 3, n. 1, 2017. DOI: 10.31436/ijpcc.v3i1.48. Disponível em: https://journals.iium.edu.my/kict/index.php/IJPCC/article/view/48. Acesso em: 8 jul. 2024.