Zakaria, M.A. et al. 2017. Comparative efficacy of nanofilled and microfilled resin-modified glass ionomer as pits and fissure sealant in permanent molar teeth. Bangabandhu Sheikh Mujib Medical University Journal. 10, 2 (May 2017), 53–57. DOI:https://doi.org/10.3329/bsmmuj.v10i2.31877.