Abdollahi, Fatemeh., et all. "Adsorption and photodegrading of Methylene Blue by using of BaLaxGdxFe12-2xO19 (x=0.2, 0.4, 0.6 and 0.8)/PANI nanocomposites." International Journal of Nano Dimension (Int. J. Nano Dimens.), vol. 11, no. 1, pp. 41-49,