What is Agile
What is an epic in Scrum?
https://askinglot.com/what-is-an-epic-in-scrum
Scrum - EPIC - Kazaf - 博客园
https://www.cnblogs.com/Kazaf/archive/2011/10/10/2205874.html
What is Agile? | Atlassian
https://www.atlassian.com/agile
敏捷中的史诗是什么? 如何在 Scrum 中编写史诗
https://staragile.com/blog/what-is-an-epic-agile
Scrum - EPIC - Kazaf - 博客园
https://www.cnblogs.com/Kazaf/archive/2011/10/10/2205874.html