(3GSJQGJjLjGJ GdJZjjQ aj EOGQI GdehGQO GdHTQjI HYO GdYhdeI (B/s - (3ejSQG, Q(B. (3fs ((3YeGf, GdCQOf (B:s (3YGde GdcJH GdMOjK ddfTQ hGdJhRjY,s, 2011)
Keywords: (3EOGQI GdCaQGOs; (3EOGQI GdCYeGd hGdYhdeIs