(3GdGYdGe GdHQdeGfj h GdSjGSj (B:s (3OQGSI GYdGejI HQdeGfjI h SjGSjI efgLjI fMh NWGH GYdGej HQdeGfj SjGSj (B/s - (3GdeTGbHI, HSGe YHO GdQMeGfs ((3GdGQOf(B;(3YeGf (B:s (3OGQ GSGeI ddfTQ h GdJhRjY ,s, 2011)
Keywords: (3GdGYdGe s; (3GdYdhe GdSjGSjIs