Bahadur, Y.R., Agarwal, D.K., Gupta, A. and Prasad, P.N. 2016. Frictional Resistance in Various Ceramic Brackets using Archwires of different Alloys, Sizes and Cross sections: A Comparative Study. Orthodontic Journal of Nepal. 6, 1 (Dec. 2016), 18–22. DOI:https://doi.org/10.3126/ojn.v6i1.16174.