A Practical Guide to Distributed Scrum

https://images-na.ssl-images-amazon.com/images/I/41JA2yXbkfL._SX380_BO1,204,203,200_.jpg https://www.amazon.co.jp/Practical-Guide-Distributed-Scrum-Press/dp/0137041136/ref=tmm_pap_swatch_0?_encoding=UTF8&qid=1599468874&sr=8-1