Contemporary measurements of the quality of life in relation to the process of aging. A concept for development of the school heathcare services in the republic of Bulgaria

Michailova-Alakidi, V., & Troev, T. (). Contemporary measurements of the quality of life in relation to the process of aging. A concept for development of the school heathcare services in the republic of Bulgaria. Public health and health care in Greece and Bulgaria : The challenge of the cross-border collaboration; Public health and health care in Greece and Bulgaria : The challenge of the cross-border collaboration.