HRUZOVA, K.; RYPKA, M.; HRON, K. Compositional analysis of trade flows structure. Austrian Journal of Statistics, [S. l.], v. 46, n. 2, p. 49–63, 2017. DOI: 10.17713/ajs.v46i2.569. Disponível em: https://www.ajs.or.at/index.php/ajs/article/view/vol46-2-4. Acesso em: 2 dec. 2022.