D. Peixoto, V. Batista, G. Rocha, C. Pádua, and R. Resende.
" A Process Improvement Experience using Causal Defect Analysis", in Proceedings of the 7th Brazilian Symposium on Software Quality, Florianópolis, 2008, pp. 389-396, doi: https://doi.org/10.5753/sbqs.2008.15559.