Kosasih, J. S.; Hartanto, A.; Handoko, L. T.; Zen, F. P. On The Double-Vacua Duality of Multi-Scalar Higgs and NGB-Dual Higgses in Scherk-Schwarz Breaking of 5-Dimensional SU(6) Symmetry. J. Math. Fund. Sci. 2014, 46, 140-158.