A Ismail, S. and T Suliman, R. (2013) “Evaluation of the Surface Roughness for Three Different Types of Composite Resin Materials Using (Sof–Lex) Finishing and Polishing Systems: A Comparative Study”, Al-Rafidain Dental Journal, 13(2), pp. 221–227. doi: 10.33899/rden.2013.84776.