M.A. SMISHA; P. G. ROMEO. On the embedding of $Gamma$ -semigroup Amalgam . Malaya Journal of Matematik, India, v. 9, n. 01, p. 449–455, 2021. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1056. Acesso em: 22 nov. 2024.