(3GdLeGdjI GdESdGejI aj Gdaf GdMOjK (B/ s - (3GdHgfSj, Yajas ((3OeTb (B:s (3OGQ GdcJGH GdZQHj,s, 1998)
Keywords: (3GdMVGQI GdEZQjbjIs; (3Gdaf GdESdGejs