Assertiveness (Psychology)

When I say no, I feel guilty : how to cope using the skills of systematic assertive therapy by: Smith, Manuel J. (Language materials, printed)

Assertiveness by: Civil, Jeanie (Language materials, printed)

Assertiveness and diversity by: Townend, Anni. (Electronic resources)

Don't say yes when you want to say no by: Fensterheim, Herbert; Baer, Jean (Language materials, printed)