(3GdOahY GdeOfjI Hjf GdfXQjI h GdJWHjb (B/ s - (3GdRZhd, HGSe eMeOs ((3YeGf (B:s (3ecJHI GdjbXI ddfTQ hGdJhRjY,s, 2000)
Keywords: (3GdbGfhf GdeOfjs; (3ELQGAGJ GdeMGces