Anthony Jatobá, Douglas Moura, Ivan Martins, Heitor Ramos, and André Aquino. 2021.
 CALT: An Automatic Tool for Charging ICMS on Interstate Transactions. In <em>Proceedings of the 9th Workshop on Applied Computing in Electronic Government</em>, July 18, 2021, Evento Online, Brasil. SBC, Porto Alegre, Brasil, 143-154. DOI: <a href="https://doi.org/10.5753/wcge.2021.15984">https://doi.org/10.5753/wcge.2021.15984</a>.