MURALIKRISHNA, P.; CHANDRAMOULEESWARAN, M. On Bifuzzy SU-Subalgebras. Walailak Journal of Science and Technology (WJST), [S. l.], v. 10, n. 4, p. 415–422, 2013. Disponível em: https://wjst.wu.ac.th/index.php/wjst/article/view/442. Acesso em: 29 apr. 2024.