Dòng Nội dung
1
Listen to me, listen to you : Interpersonal skills training manual / Anne Kotzman.
Melbourne : The Australian council for education research , 1995
72p. ; 25cm
2
Your perfect right : a guide to assertive living / Robert E. Alberti and Michael L. Emmons.
San Luis Obispo, Calif. : Impact Publishers, 1986.
215 p. ; 21 cm.