Ρεζίτης Α. Ν., Μυγδάκος Ε., & Φωτόπουλος Χ. (2004). A study of technical efficiency of main production activities of the Greek agricultural sector. SPOUDAI Journal of Economics and Business, 54(2), 84–106. Retrieved from http://spoudai.org/index.php/journal/article/view/420