J. Ribó and X. Franch.
" Searching for Expressiveness, Modularity, Flexibility and Standardisation in Software Process Modeling", in <em>Anais do XIV Simpósio Brasileiro de Engenharia de Software</em>, João Pessoa/PB, 2000, pp. 259-274, doi: <a href="https://doi.org/10.5753/sbes.2000.25932">https://doi.org/10.5753/sbes.2000.25932</a>.