- Zeydi, Masoud Mohammadi., et all. "Nano TiO2@KSF as a high-efficient catalyst for solvent-free synthesis of Biscoumarin derivatives." International Journal of Nano Dimension (Int. J. Nano Dimens.), vol. 7, no. 2, pp. 174 - 180, https://doi.org/10.7508/ijnd.2016.02.010