(3fOGA GdHQGQi (B/ s - (3dfOf, LGcs; (3UHQi GdaVd (B((3eJQLe(B)s ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1994)
Keywords: (3GdGWaGds; (3bUU GdGWaGds