(3aQMI GdRgQGA YdjgG GdSdGe (B/ s - (3GdGUagGfj, GHh Ydj, s ([(3GjQGf(B] : s (3GdeDda, (B422 (3g`(B. = [2001]s, 2001)
(3jJVef EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdGYjGO GdOjfjI GdGSdGejI (B((3TjYI(B)s