WANNUSIT, S.; PATTHANANGKOOR, P. On Inverse Semipolygroups. Thai Journal of Science and Technology, Pathumthani, Thailand, v. 8, n. 4, p. 324–333, 2019. DOI: 10.14456/tjst.2019.40. Disponível em: https://li01.tci-thaijo.org/index.php/tjst/article/view/189883. Acesso em: 20 apr. 2024.