SOA, D. V.; THAM, T. D. Axion in a 3-3-1 Model with Right-handed Neutrinos. Communications in Physics, [S. l.], v. 23, n. 3, p. 283, 2013. DOI: 10.15625/0868-3166/23/3/3378. Disponível em: https://vjs.ac.vn/index.php/cip/article/view/3378. Acesso em: 9 dec. 2021.