Akbar, T., Hasan, H., Awal, M. A., Ghosh, M. K., Haque, M. J. and Sultana, N. (2017) “A Study on Biofilm Formation in Relation to Oral Hygiene Status Related to Tooth Brushing Practice”, Update Dental College Journal, 7(1), pp. 21–25. doi: 10.3329/updcj.v7i1.33305.