(3eNJUQ GdYjf (B/ s - (3GdRHjOj, CHh HcQ eMeO Hf GdMSfs; (3GdaQWhSj, UdGM egOjs ((3HZOGO (B:s (3OGQ GdTDhf GdKbGajI GdYGeI,s, 1993)
Keywords: (3GddZI GdYQHjIs; (3GdbhGejSs