(3GdCSeGA hGdeUGgQGJ Hjf Cgd GdHjJ hGdUMGHI QVi Gddg Yfge (B/s - (3EHQGgje, GdSjO CMeO s ((3GdchjJ (B:s (3eHQI GdBd hGdCUMGH,s, 2007)
(3HHdjhLQGajI (B: (3U(B. 215-221.s
Keywords: (3Cgd HjJ GdQShds -- (3JQGLes; (3GdUMGHI hGdJGHYhfs -- (3JQGLes