(3EfTGA GdcJGHI YfO GdYQH (B/ s - (3LjOg, YHO GdMejOs ((3WQGHdS (B((3dHfGf(B) :s (3OGQ GdTeGd,s, 1986)
Keywords: (3GddZI GdYQHjIs; (3GdEfTGAs