(T, L) Semi - Homotopy and (T, L) semi - Isotopy. Journal of the College of Basic Education, [S. l.], v. 18, n. 73, p. 167–178, 2023. DOI: 10.35950/cbej.v18i73.9634. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/9634.. Acesso em: 18 jul. 2024.