L. Silva, R. Terra, and M. Valente.
"A Case Study on Improving Maintainability and Evolvability using Architectural Constraints", in <em>Anais do X Simpósio Brasileiro de Qualidade de Software</em>, Curitiba, 2011, pp. 25-39, doi: <a href="https://doi.org/10.5753/sbqs.2011.15385">https://doi.org/10.5753/sbqs.2011.15385</a>.