Agile Project Management: Creating Innovative Products

https://images-na.ssl-images-amazon.com/images/I/51pBa7ufmFL._SX382_BO1,204,203,200_.jpg https://www.amazon.co.jp/Agile-Project-Management-Innovative-Development/dp/0321658396/ref=sr_1_6?__mk_ja_JP=%E3%82%AB%E3%82%BF%E3%82%AB%E3%83%8A&dchild=1&keywords=jim+highsmith&qid=1599487718&sr=8-6