Retraction: A note on subfield subcodes and trace codes of cyclic codes</p><p><span style="font-size: 14px;"><em>“The status of this article has been Retraction: Advances in Mathematics of Communications, 2024, Early Access article, doi:&nbsp;</em></span></p><p><span style="font-size: 14px;"><em>10.3934/amc.2024028”</em></span>