Khatun, Dilruba, et al. “A Comparative Clinical Study on Efficacy of Nanofilled Resin-Modified and Conventional Glass Ionomer Pit and Fissure Sealant in Molar Tooth”. Bangabandhu Sheikh Mujib Medical University Journal, vol. 11, no. 4, Dec. 2018, pp. 278-81, doi:10.3329/bsmmuj.v11i4.38447.