(3MhGQ eY GdTjYI Mhd GdNdaGA GdQGTOjf h Hfj CejI (B/ s - (3GdLHQj, YHO GdeJYGds ((3GdbGgQg (B:s (3OGQ GdUMhg ddfTQ hGdJhRjY,s, 1985)
Keywords: (3GdSjQI GdfHhjIs; (3GdUMGHI h GdJGHYhfs; (3Bd GdHjJs