Slavtchova-Bojkova М.; Grigorova Д.; Kamenov Е. Statistical data analysis and computer visualization. Mathematics and Education in Mathematics, [S. l.], v. 52, p. 209–211, 2023. DOI: 10.55630/mem.2023.52.209-211. Disponível em: https://smb.math.bas.bg/mem/index.php/memjournal/article/view/88. Acesso em: 7 oct. 2026.