1. Application of the DEA on the measurement of efficiency in the EU countries;Agric. Econ.,2015
2. Technical efficiency of wheat production in Punjab: A Regional Analysis;Kaur;Agric. Econ. Res. Rev.,2010
3. Cereal yield gaps across Europe;Schils;Eur. J. Agron.,2018
4. Technical efficiency and its determinants in the European Union;Nowak;Agric. Econ.,2015
5. Empirical evidence of technical efficiency levels in Greek organic and conventional farms;Tzouvelekas;Agric. Econ. Rev.,2002