(3bGfhf GdeMGeGI GdLOjO (B/ s - (3Jhajb, YHO GdYRjRs ((3GdQHGW (B:s (3OGQ GdKbGaI ddfTQ,s, 1993)
Keywords: (3GdbGfhfs; (3egfI GdeMGeGIs