(3eHGOF GdJhLjg h GdEQTGO GdfaSjs - (3LhOJ YRJ YHO GdgGOjs; (3GdYRI SYjO MSfjs ((3YeGfs (3OGQ GdKbGaI ddfTQ h GdJhRjYs, 1999)
Keywords: (3GdYdhe GdELJeGYjI s; (3Yde GdfaS GdJQHhjs