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

Опубликовано 2010

Understanding difficult people : strategies for coping with difference /

по Barrow, Iris
Опубликовано 1997

An educators guide to difficult parents /

по Wilde, Jerry, 1962-
Опубликовано 2000

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

по Schirch, Lisa
Опубликовано 2007