(3GdbVjI GdcQOjI hJGKjQgG Ydi eSJbHd GdYQGb (B/ s - (3GdMUjfj, eQJVi YHO GdQMje, s ((3GdfGUQjI (B[(3GdYQGb(B] : s (3eQcR GdLfhH ddOQGSGJ hGdJNWjW GdSJQGJjLj, s, 2008)
(3GdYfhGf Ydi GdZdGa (B: (3cQOSJGf bUI hdGOI OhdI(B.s
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B225-227.s
Keywords: (3GdGcQGOs -- (3GdYQGbs -- (3JGQjN(B.s; (3GdbVjI GdcQOjI(B.s; (3GdGbdjGJs -- (3GdYQGb(B.s