Proshenska, M., Arguilashka, P., Kukularova, M. Continuing education - real terms. Athens: Papazissis pub., 2011 891-893,.
Proshenska, M., Arguilashka, P., Kukularova, M. Continuing education - real terms. Athens: Papazissis pub., 2011 891-893,.
Proshenska, M., Arguilashka, P., Kukularova, M. (2011) Continuing education - real terms, Athens: Papazissis pub. 891-893,.
Proshenska, M., Arguilashka, P., & Kukularova, M. (2011). Continuing education - real terms. Public health and health care in Greece and Bulgaria : The challenge of the cross-border collaboration in times of financial crisis (с. 891-893). Athens: Papazissis pub..
Proshenska M, Arguilashka P, Kukularova M. Continuing education - real terms. Athens: Papazissis pub.; 2011. p. 891-893.