Tabassum, S.T. et al. 2019. Wear of nanohybrid and microfilled composite resin in occlusal restoration of first permanent molar tooth. Bangabandhu Sheikh Mujib Medical University Journal. 12, 3 (Oct. 2019), 133–137. DOI:https://doi.org/10.3329/bsmmuj.v12i3.42393.