1. The ripple effect: emotional contagion in groups. Working paper;Barsade,2000
2. Emotional intelligence: what is it and why it matters;Cherniss,2000
3. Executive EQ: Emotional intelligence in leadership and organizations;Cooper,1998
4. Cyberia-Shrink Emotional Intelligence Test (2010) Retrieved from http://www.queendom.com/tests/access_page/index.htm?idRegTest=3037.
5. Fitzgerald, W.K. And S. Allen. (1993). Personal empowerment key to manager's development – management development programs – Management Development. HR Magazine, November 1993.