[1] What Is an ActiveX Document? (2017-03-28 19:42:39 +09:00) <https://msdn.microsoft.com/en-us/library/aa733734(v=vs.60).aspx>
[2] ActiveX Document - Wikipedia (2017-03-21 15:27:43 +09:00) <https://en.wikipedia.org/wiki/ActiveX_Document>