(3GdeSJWQa aj cd af eSJXQa (B/s - (3GdCHTjgj, eMeO Hf CMeO Hf efUhQ,s 790-852 (3gLQjs; (3GddMGe, SYjO eMeOs ((3HjQhJ (B- (3dHfGf (B:s (3YGde GdcJH ,s, 1999)
Keywords: (3GdCOH GdYQHjs -- (3eLehYGJs