Thomas (Democritus University of Thrace Fotiadis Greece.),Dimitris (Technological Educational Institute of Central Macedonia Folinas Greece),Konstantinos Vasileiou,Aggeliki Konstantoglou
（2）
Dimitrios J. (Chairman of Department of Economics Dimitriou Democritus University of Thrace Greece),Maria F. (Department of Economics Sartzetaki Democritus University of Thrace Greece),Aristi G. (Depa
（1）
Emmy (Democritus University of Thrace Papanastasiou Greece)
（1）
Melhuish, Edward (University of London, UK),Petrogiannis, Konstantinos (Democritus University of Thrace, Greece)
（1）
Thomas (Democritus University of Thrace Fotiadis Greece.)
（1）
；Grima, Simon (University of Malta, Malta),Maditinos, Dimitrios (Democritus University of Thrace, Greece),Noja, Gratiela-Georgiana (West University of Timisoara, Romania),Stankeviciene, Jelena (Vilniu
（1）
；Naxidou, Eleonora (Associate Professor, Democritus University of Thrace),Konstantinova, Yura (Professor, Bulgarian Academy of Sciences)
（1）
