The handbook for working with difficult groups how they are difficult, why they are difficult and what you can do about it /

Հրապարակվել է 2010

Understanding difficult people : strategies for coping with difference /

‌ Barrow, Iris
Հրապարակվել է 1997

An educators guide to difficult parents /

‌ Wilde, Jerry, 1962-
Հրապարակվել է 2000

The little book of dialogue for difficult subjects : a practical, hands-on guide /

‌ Schirch, Lisa
Հրապարակվել է 2007