(3fXQjI GdGMJeGd hGdefgL GdGSJfHWGfi ddGSJbQGA(B/s - (3YdGA gGTe efGas ((3YeGf (B:s (3GdQVhGf ddfTQ hGdJhRjY ,s, 2012)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdGMJeGdGJ (B( (3GQjGVjGJ (B)s; (3GdGSJbQGAs