MAJUMDAR, S.; HOSSAIN, M. A. The Endomorphism Semigroup of a Special Semigroup. Journal of Bangladesh Academy of Sciences, [S. l.], v. 32, n. 1, p. 55–60, 2009. DOI: 10.3329/jbas.v32i1.2442. Disponível em: https://banglajol.info/index.php/JBAS/article/view/2442. Acesso em: 18 jul. 2024.