warning: array_map(): Expected parameter 2 to be an array, null given in /var/www/clients/client0/web392/web/modules/system/system.module on line 1015.
warning: array_keys() expects parameter 1 to be array, null given in /var/www/clients/client0/web392/web/includes/theme.inc on line 1820.
warning: Invalid argument supplied for foreach() in /var/www/clients/client0/web392/web/includes/theme.inc on line 1820.
Dr. Gábor KOZMA,
Department of Social Geography and Regional Development Planning,
science.unideb.hu