Saeed, M. A., I. S. Toma, and R. K. Saeed. “The Effect of Two Finishing and Polishing Systems on the Surface Roughness of Two Composite Resins”. Zanco Journal of Medical Sciences (Zanco J Med Sci), vol. 17, no. 3, Dec. 2013, pp. 484-9, doi:10.15218/zjms.2013.0037.