“Emergency Contracting to Purchase Goods and Services Needed to Deal With COVID-19: Considerations on Article 4 of Law No. 13.979 2020”. Revista Do Tribunal Regional Federal Da 3ª Região, vol. 31, no. 147, Dec. 2020, pp. 15-36, https://revista.trf3.jus.br/index.php/rtrf3/article/view/231.