(3eda GdJhJQ GdMOhOi Hjf GdgfO hHGcSJGf (B: s (3eTcdI cTejQs ((3GdbGgQI (B: s (3eQcR GdGgQGe ddJfXje hJcfhdhLjG GdeYdheGJ , s, 2001)
Keywords: (3GdYdGbGJ GdNGQLjIs; (3GdMOhO GdSjGSjIs; (3cTejQs; (3GdeTGcd GdSjGSjIs; (3cTejQ (B- (3ebGdGJ heMGVQGJs