THANOON TALEE, G. Eigenvectors adopted for geometrical shapes recognition. Journal of Education and Science (JES), [S. l.], v. 25, n. 2, p. 76–88, 2012. DOI: 10.33899/edusj.2012.59159. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23855. Acesso em: 5 aug. 2025.