(3GdacQ GdadSai hCKQI ai GdJLQje hGdYbGH(B/s - (3eCehf eMeO SdGeIs ((3GdbGgQI (B:s (3cdjI GdMbhb (B-(3LGeYI GdbGgQI (B,s, 1997)
Keywords: (3GdbGfhf GdLfGFis; (3MOhO GdJLQje hGdYbGHs