(3Mb GdOhdI ai GdQbGHI h MQjI GdShb ai GdEfWdGb (B:s ( (3OQGSI JMdjdjI ddCReI GdeGdjI GdYGdejI (B) /s - (3SjO Wg HOhis ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 2011)
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdYdGbGJ GdOhdjI GdGbJUGOjIs