1. Power speak :

پدیدآورنده :

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

موضوع : Public speaking

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

پدیدآورنده :

کتابخانه: State Department Library (Tehran)

موضوع : Public speaking,Persuasion (Rhetoric)

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

پدیدآورنده :

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

موضوع : Management Communication manuals