Cristian Weiland, Diego Pasqualin, Edemir Maciel, Luis de Bona, and Marcos Sunye. 2018.
 Integration and Analysis of Federal Government Expenditures. In <em>Proceedings of the 6th Systems Transparency Workshop</em>, July 22, 2018, Natal, Brasil. SBC, Porto Alegre, Brasil, 81-86. DOI: <a href="https://doi.org/10.5753/wtrans.2018.3092">https://doi.org/10.5753/wtrans.2018.3092</a>.