『Extreme Programming Explained: Embrace Change, Second Edition』
https://images-na.ssl-images-amazon.com/images/I/41b11Tipy0L._SX396_BO1,204,203,200_.jpg https://www.amazon.co.jp/Kent-Andres-Cynthia-Beck/dp/0321278658/
(著)
Cynthia Andres
,
Kent Beck