Ali, T. ., and A. Venkataraman. “Synthesis and Characterization of Polystyrene Coated Functionalized γ -Fe2O3 Nanoparticles”. International Journal of Chemistry and Materials Research, vol. 2, no. 11, Nov. 2014, pp. 142-7, https://archive.conscientiabeam.com/index.php/64/article/view/1840.