WARTAN, H.; هاسمیک. Use of graphs in the statistical modeling process. Journal of Education and Science (JES), [S. l.], v. 27, n. 1, p. 142–157, 2014. DOI: 10.33899/edusj.2014.162138. Disponível em: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17287. Acesso em: 4 aug. 2025.