Balichev, U., Vodenicharov, E., Hristov, J. The European`s strategy leading principals for "Health and development with children and teenagers". Athens: Papazissis pub., 2010 299-305,.
Balichev, U., Vodenicharov, E., Hristov, J. The European`s strategy leading principals for "Health and development with children and teenagers". Athens: Papazissis pub., 2010 299-305,.
Balichev, U., Vodenicharov, E., Hristov, J. (2010) The European`s strategy leading principals for "Health and development with children and teenagers", Athens: Papazissis pub. 299-305,.
Balichev, U., Vodenicharov, E., & Hristov, J. (2010). The European`s strategy leading principals for "Health and development with children and teenagers". Public health and health care in Greece and Bulgaria : The challenge of the cross-border collaboration (с. 299-305). Athens: Papazissis pub..
Balichev U, Vodenicharov E, Hristov J. The European`s strategy leading principals for "Health and development with children and teenagers". Athens: Papazissis pub.; 2010. p. 299-305.