Oliveira, C. C. de, P. Tiglea, J. C. Olivieri, M. de F. H. Carvalho, M. L. Buzzo, A. M. Sakuma, M. C. Duran, M. S. F. Caruso, and D. Granato. “Comparison of Different Statistical Approaches Used to Evaluate the Performance of Participants in a Proficiency Testing Program”. Instituto Adolfo Lutz Journal - RIAL, vol. 73, no. 1, Oct. 2015, pp. 26-31, doi:10.18241/0073-98552014731586.