1. Power speak :

Author:

Library: Center and Library of Islamic Studies in European Languages (Qom)

Subject: Public speaking

2. PowerSpeak: the complete guide to persuasive public speaking and presenting

Author:

Library: State Department Library (Tehran)

Subject: Public speaking,Persuasion (Rhetoric)

3. Smart Questions For Successful Managers ;A New Technique For Effective Communicatin

Author:

Library: Library of Faculty of Management of Tehran University (Tehran)

Subject: Management Communication manuals