(3GdCYdGa ZjQ GdJbdjOjI aj YdGFb GdMjhGfGJ GdRQGYjI (B/ s - (3HGQJG, s; (3YHGS, eMeO QjGVs ((3HZOGO (B:s (3hRGQI GdJYdje GdYGdj h GdHMK GdYdej,s, 1988)
Keywords: (3JZPjI GdMjhGfs; (3GdCYdGas