ISBN-13: 9780787980122 / Angielski / Miękka / 2005 / 272 str.
ISBN-13: 9780787980122 / Angielski / Miękka / 2005 / 272 str.
This is a set and includes ISBN: 9780787973551 The 60-Minute Active Training Series: How to Speak Up Without Putting Others Down, Leader's Guide and ISBN: 9780787973599 The 60-Minute Active Training Series: How to Speak Up Without Putting Others Down, Participant's Workbook.