(3GdGUhd aj Yde GdGLJeGY (B/s - (3GHQGgje YjSi YKeGf s ((3GdchjJ (B:s (3cGXeI ddfTQ hGdJQLeI hGdJhRjY ,s, 1983)
Keywords: (3GdGLJeGY ,Yde s