Enhancement of elastic properties and surface plasmon resonance with the addition of boron oxide to the ZnO−SiO2 glass system by Al-Nidawi, A.J.A., Matori, K.A., Zaid, M.H.M., Liew, J.Y.C., Khushaini, M.A.A., Zain, A.R.M., Mutage, W.R.M., Abuallan, M.A.M., Efa, A.M.E.