(3GdLaGa h GdJUMQ (B:s (3GdeNGWQ h GdjGJ GdecGaMI (B/s - (3UdGM YHOGdMejOs; (3aGjR YeQGf s ((3GdbGgQI (B: s (3gHI Gdfjd GdYQHjI ddfTQ h GdJhRjY ,s, 2012)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdLaGas; (3GdJUMQs; (3GdefGWb GdNGaIs