World Health Organization
www.who.int

United Nations
www.un.org

International Association of Gerontology and Geriatrics-IAGG
www.iagg.info/index.php

International Institute on Ageing-INIA
www.inia.org.mt

European Union Geriatric Medicine Society-EUGMS
www.eugms.org

Turkish Geriatrics Society
www.turkgeriatri.org/

Turkish Journal of Geriatrics
www.geriatri.dergisi.org