KAVITHA, T.N. A SPECIAL CASE OF NEAR – IDEMPOTENT SEMIGROUPS. Journal of Global Research in Mathematical Archives(JGRMA), [S. l.], v. 5, n. 5, p. 54–59, 2018. Disponível em: https://jgrma.com/index.php/jgrma/article/view/473. Acesso em: 14 mar. 2025.