J. A. Murshidi, S. M. Mohamad, C. T. Foo, N. Mat Zali, and C. S. Mahmood, “Structural and dielectric properties of barium strontium titanate (Ba(1-X)SrxTiO3) ceramics”, jnrt, vol. 13, no. 01, pp. 1-5, Jun. 2016.