T. Do, M. Kolp, T. Hoang, and A. Pirotte.
"A Framework for Design Patterns in TROPOS", in <em>Anais do XVII Simpósio Brasileiro de Engenharia de Software</em>, Manaus/AM, 2003, pp. 95-109, doi: <a href="https://doi.org/10.5753/sbes.2003.23855">https://doi.org/10.5753/sbes.2003.23855</a>.