THOMAS, Julie; INDHIRA, K.; M. CHANDRASEKARAN, V. A Study on Regular Semigroups and its Idempotents. International Journal of Engineering and Technology, [S. l.], v. 7, n. 4.10, p. 511–513, 2018. DOI: 10.14419/ijet.v7i4.10.21214. Disponível em: https://mail.sciencepubco.com/index.php/IJET/article/view/21214.. Acesso em: 19 may. 2025.