M. Delamaro.
" Dual Mutation: The Save the Mutants Approach", in <em>Proceedings of the 3rd Brazilian Symposium on Software Quality</em>, Brasília, 2004, pp. 234-246, doi: <a href="https://doi.org/10.5753/sbqs.2004.16196">https://doi.org/10.5753/sbqs.2004.16196</a>.