H. T. Hung, L. T. Hue, N. T. T. Hang and P. N. Thu, Mass of the Lightest Neutral CP-even Higgs in the Supersymmetric Minimal Reduced 3-3-1 Mode, Comm. Phys. 24 (2014) 201. DOI: https://doi.org/10.15625/0868-3166/24/3/3817.