Angelov, L., Hristov, J. Trans-frontier migration in European union member countries and its import ange for the spread of some infectious diseases. Athens: Papazissis pub., 2010 231-236,.
Angelov, L., Hristov, J. Trans-frontier migration in European union member countries and its import ange for the spread of some infectious diseases. Athens: Papazissis pub., 2010 231-236,.
Angelov, L., Hristov, J. (2010) Trans-frontier migration in European union member countries and its import ange for the spread of some infectious diseases, Athens: Papazissis pub. 231-236,.
Angelov, L., & Hristov, J. (2010). Trans-frontier migration in European union member countries and its import ange for the spread of some infectious diseases. Public health and health care in Greece and Bulgaria : The challenge of the cross-border collaboration (с. 231-236). Athens: Papazissis pub..
Angelov L, Hristov J. Trans-frontier migration in European union member countries and its import ange for the spread of some infectious diseases. Athens: Papazissis pub.; 2010. p. 231-236.