(3GdEYdGe hGdJYdje aj Xd KhQI GdEfJQfJ (B/s - (3HhMfjI, bhjs ((3GdCQOf (B:s (3OGQ GdQGjI ddfTQ hGdJhRjY ,s, 2010)
Keywords: (3GdCfJQfJ s; (3KhQI GdCfJQfJs; (3GdEYdGe hGdJYdje s; (3GdJYdje GdEdcJQhfj s