On Semi 3aCrossed Module by Using Simplicial Algebra. Global Journal of Science Frontier Research, [S. l.], v. 12, n. F11, p. 81–90, 2012. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/100383. Acesso em: 6 feb. 2026.