NGUYỄN KIM, . Điện. Stopping times . SCIENTIFIC JOURNAL OF TAN TRAO UNIVERSITY, [S. l.], v. 2, n. 2, p. 39–45, 2021. DOI: 10.51453/2354-1431/2016/90. Disponível em: https://tckh.daihoctantrao.edu.vn/index.php/sjttu/article/view/90. Acesso em: 22 jul. 2024.