David Cotton

도서
Managing Difficult People in a Week Managing Difficult People in a Week
Managing Difficult People in a Week
2014년
Smart Solution Book, The Smart Solution Book, The
Smart Solution Book, The
2016년
The Ultimate Business Communication Book The Ultimate Business Communication Book
The Ultimate Business Communication Book
2023년
7 Lessons in Managing Difficult People 7 Lessons in Managing Difficult People
7 Lessons in Managing Difficult People
2026년
7 Lessons in Successful Meetings 7 Lessons in Successful Meetings
7 Lessons in Successful Meetings
2026년
The Waller Journals The Waller Journals
The Waller Journals
2016년