Rosa Pinto, Carla Silva, and Jaelson Castro. 2005.
 Support for Requirement Traceability: The Tropos Case. In <em>Proceedings of the 19th Brazilian Symposium on Software Engineering</em>, October 03, 2005, Uberlândia/MG, Brasil. SBC, Porto Alegre, Brasil, 40-55. DOI: <a href="https://doi.org/10.5753/sbes.2005.23810">https://doi.org/10.5753/sbes.2005.23810</a>.