B. Agrelos, J. Ferreira, and B. Diirr.
"Interorganizational Information Systems: A Study of Practice", in <em>Anais Estendidos do XVII Simpósio Brasileiro de Sistemas de Informação</em>, On-line, 2021, pp. 05-08, doi: <a href="https://doi.org/10.5753/sbsi.2021.15343">https://doi.org/10.5753/sbsi.2021.15343</a>.