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\bibitem{Dias_etal2020} Dias, A. G., Leite, J., Sanchez-Vega, B. L., \& Vieira, W. C. (2020). Dynamical symmetry breaking and fermion mass hierarchy in the scale-invariant 3-3-1 model. \textit{Phys. Rev. D}, \textit{102}(1), 015021--18pp.

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