(3GdJYdje GdeSjMj GdCQKhPcSj W(B3s - (3RjOGf(B. (3UdjHG YHOGddgs ((3LeYjI GdKbGaI h GdJYdje GdCQKhPcSjIs (3YeGfs, 1984)
Keywords: (3GdeSjMjIs; (3GdJYdje GdOjfjs; (3GdJOQjH GdOjfjs