Published Soil contamination interpretation using self-organizing maps by Tsakovski S., Voyslavov Ts., Simeonov V. 3-9_811_Simeonov_14-1.pdf
Published Modeling the relationship among energy demand, CO2 emissions and economic development: A survey for the case of Greece by Hatzigeorgiou E., Polatidis H., Haralambopoulos D. 942_published.pdf