Muhammad Izaz Ali, et al. “COMPARISION OF MEAN SURFACE ROUGNESS OF NANOHYBRID AND MICROHYBRID COMPOSITE RESINS USING ONE STEP POLISHING SYSTEM (AN IN VITRO STUDY)”. Pakistan Oral & Dental Journal, vol. 41, no. 2, June 2021, pp. 102-5, https://podj.com.pk/index.php/podj/article/view/628.