Magic square.
Baghdad Science Journal
, Iraq, Baghdad, v. 6, n. 3, p. 618–620, 2009.
DOI: 10.21123/bsj.2009.6.3.618-620.
Disponível em: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/1024.
. Acesso em: 28 jul. 2025.