(3JfXje hEOGQI GdHfhc (B:s (3efgL hUaj JMdjdj (B/s - (3YHO GdQMje, YGWa LGHQ Wgs ((3GdEScfOQjI (B:s (3GdOGQ GdLGeYjI,s, 2010)
Keywords: (3GdfXGe GdeUQajs; (3GdJfXje GdEOGQj ddHfhcs; (3GdYedjGJ GdGSGSjI aj GdHfhcs