(3GdMQH ai GQV GdSdGe GdLhdI GdYQHjI GdGSQGFjdjI GdGhdi (B/ s - (3MSjf GdHOQis ([S.N] : (3OGQ GdTYH ddWHGYI hGdfTQ , s, 1976)
Keywords: (3GdYUQ GdMOjKs; (3eUQs; (3JGQjNs; (3GdfRGY GdYQHi GdGSQGFjdis; (3GSQGFjds; (3MQH adSWjf (B1948s; (3GdYedjGJ GdMQHjIs