職業訓練
https://qiita.com/kaizen_nagoya/items/95368b63fa21d64271ec

かんたんUML入門　改訂２版
https://qiita.com/kaizen_nagoya/items/1746cadd6cab7da49680

UML 1.4.2
https://www.omg.org/spec/UML/ISO/19501/PDF

JIS X 4170:2009(UML 1.4.2, ISO/IEC 19501:2005)
https://kikakurui.com/x4/X4170-2009-01.html#google_vignette

UML 2.1.2 Superstructure(ISO/IEC 19505-1:2012)
https://www.omg.org/spec/UML/2.1.2/Superstructure/PDF/

UML 2.1.2 Infrastructure(ISO/IEC 19505-2:2012)
https://www.omg.org/spec/UML/2.1.2/Infrastructure/PDF

UML Day 9
https://qiita.com/kaizen_nagoya/items/4f0a2315119def3acf6e

UML Day11
https://qiita.com/kaizen_nagoya/items/c11d4431de1842388721

<この項は書きかけです。順次追記します。>
This article is not completed. I will add some words and/or centences in order.
Este artículo no está completo. Agregaré algunas palabras en orden.

plantUML

checkin, use case diagram, plantuml
https://qiita.com/kaizen_nagoya/items/9158715ad9d17fd439c5