PHONG, N. T. Two Higgs singlets \(A_4\) Flavor Symmetry with Minimal Breaking. Communications in Physics, [S. l.], v. 24, n. 2, p. 113, 2014. DOI: 10.15625/0868-3166/24/2/3946. Disponível em: https://vjs.ac.vn/index.php/cip/article/view/3946. Acesso em: 2 aug. 2021.