(3eY GdGjGe TiA ef GdPcQjGJ (B/ s - (3GHQGgje eOchQs ([S.N] : (3OGQ GdeYGQa , s, 1991)
Keywords: (3GdGOH GdYQHis; (3GdePcQGJs; (3GdJQGLe GdPGJjIs