Principal Components Analysis as enhancement Operator and Compression factor. Journal of the College of Basic Education, [S. l.], v. 17, n. 72, p. 25–33, 2019. DOI: 10.35950/cbej.v17i72.4495. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/4495.. Acesso em: 4 jun. 2026.