(3GdeYGjjQ GdCSGSjI ddUMI hGdSdGeI GdegfjI (B/s - (3GdSYhOjI(B.s (3GdeDSSI GdYGeI ddJCejfGJ GdGLJeGYjIs ((3GdQjGV (B:s [(3O(B. (3f(B.](3,s, 2009)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdUMI GdegfjIs; (3GdCef GdUfGYjs