1. European Commission: Overview of the CAP Reform 2014–2020. Agricultural Policy Perspectives Brief. No5*/December 2013 〈〉. (Last access is on 11-7-16).
2. Efficiency and productivity change in the Greek dairy industry;Vlontzos;Agric Econ Rev,2013
3. Measuring efficiency of the Greek Flourmill firms using data envelopment analysis;Vlontzos;Int J Sustain Agric Manag Inform,2015
4. Using DEA window analysis to measure efficiencies of Taiwan's Integrated telecommunication firms;Yang;Telecommun Policy,2009
5. DEA Window Analysis for Measuring Port Efficiencies in Serbia;Pjevčević;Traffic Manag Rev,2012