T. Theodosiou and P. Polychronidou and A. G. Karasavvoglou, Analysing the Cost of Immigrants to the National Health System in Eastern Macedonia and Thrace. journal = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology. September 2015, vol. 106(10). 3430 - 3434 [viewed 21 September 2024]. Available from: https://publications.waset.org/pdf/10002568.