4Lorraine L. Likens ed., What Smart Trainers Know:The Secrets of Success from the World's Foremost Experts, San Francisco: Jossey-Bass JPfeiffer, 2001,pp73 - 81.
5Lucia, A., & Lcpsinger, R, The Art and Science of Competency Models: Pinpointing Critical Success Factors in Organizations, San Francisco: Jossey - Bass/Pfeiffer,1999.
6Vangelis Souitaris, "Firm-specific competencies determining technological innovation: a survey in Greece",R&D Management, No. 1, 2002, pp. 61-77.
