1. Managerial Competencies and the Managerial Performance Appraisal Process;S E Abraham;The Journal of Management Development,2001
2. Towards developing competency-based measures for project managers in mass house building projects in developing countries;D K Ahadzie;Construction Management and Economics,2009
3. Hava Trafik Kontrol�r Performans?: Bir Alan Ara?t?rmas?;M Ak�a;Journal of Empirical Economics and Social Sciences,2019
4. Performance Management-Key Strategies and Practical Guidelines;M Armstrong;Human Resource Management,1999