P. Malcher <em>et al.</em>" Investigating Professionals’ Perceptions on the Software Supply Network Model in a Proprietary Educational Software Ecosystem", in <em>Anais do XXII Simpósio Brasileiro de Sistemas de Informação</em>, Vitória/ES, 2026, pp. 497-516, doi: <a href="https://doi.org/10.5753/sbsi.2026.248559">https://doi.org/10.5753/sbsi.2026.248559</a>.