Πολλάλης Γ. Α., Gartenberg, M., & Edmunds, B. (2004). Applying the Balanced Scorecard methodology in the public sector: the case of the Department of Defense in the United States. SPOUDAI Journal of Economics and Business, 54(1), 33–58. Retrieved from http://spoudai.org/index.php/journal/article/view/411