Wong, C. Y., Y. X. Liaw, J. Z. Wong, L. C. Chen, and A. Parolia. “Factors Associated With the Technical Quality of Root Canal Fillings Performed by Undergraduate Dental Students in a Malaysian Dental School”. Brazilian Journal of Oral Sciences, vol. 15, no. 1, Oct. 2016, pp. 45-50, doi:10.20396/bjos.v15i1.8647122.