Martadi, Martadi. “REPOSISI CITRA MELALUI LOGO Studi Kasus Perubahan Logo PT Pos Indonesia”. Jurnal Desain Komunikasi Visual Nirmana 4, no. 1 (August 18, 2004). Accessed May 5, 2024. https://nirmana.petra.ac.id/index.php/dkv/article/view/16080.