(3eHGOF GdYdGbGJ GdOhdjI (B/s - (3Jhajb, SYO Mbjs ((3YeGf, GdCQOf (B:s (3OGQ hGFd ddfTQ,s, 2012)
(3HHdjhLQGajI (B: (3U(B. 407-425.s
Keywords: (3GdYdGbGJ GdNGQLjIs; (3GdSjGSI GdOhdjIs