Structures and ∗-Embeddability of Commutative Semigroups with Involution of Order 3, 4, and 5. Derna University Journal of Applied Sciences, [S. l.], v. 3, n. 1, p. 215–224, 2026. DOI: 10.58987/6m7qh323. Disponível em: https://dp.uod.edu.ly/index.php/dujas/article/view/157. Acesso em: 18 sep. 2026.