[1] CODE39 - Wikipedia (2009-06-22 03:05:47 +09:00 版) http://ja.wikipedia.org/wiki/CODE39

[2] ZXing Decoder Online (2015-04-02 13:51:37 +09:00 版) http://zxing.org/w/decode.jspx

[3] Bar Code Font Vendor List - 5096.BarCode_Vendors.pdf, 2021-02-18T01:31:12.000Z, 2022-09-30T08:03:15.311Z https://adobe-type-tools.github.io/font-tech-notes/pdfs/5096.BarCode_Vendors.pdf

[4] QRコード