GOUR, A. . A Review on Different Techniques for Mining Frequent Patterns in Unordered Trees. Mathematical Statistician and Engineering Applications, [S. l.], v. 70, n. 2, p. 1686–1694, 2021. DOI: 10.17762/msea.v70i2.2459. Disponível em: https://www.philstat.org/index.php/MSEA/article/view/2459. Acesso em: 19 may. 2024.