Ζήση Α., Σκαπινάκης Π., Τσελώνη Μ., Σαββίδου Μ., and Χίου Μ., “Social capital and mental health in small rural ‘communities’ of the North Aegean: methodology and descriptive results”, Psychology, vol. 15, no. 2, pp. 139–153, Sep. 2008.