(3GdecJHGJ GdeJfbdI(B/s - (3fTGJ SejQ SYO YhVs ((3GdbGgQI (B:s (3GdYQHi ddfTQ h GdJhRjY ,s, 2011)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdNOeI GdecJHjIs; (3GdecJHGJ GdeJfbdIs; (3ecJHGJ GdGWaGds