(3eLehYI GdGLJgGOGJ GdbVGFjI aj GdNHQI hGdcTa (B: s (3GfJNGH GdNHQGA, QO GdNHQGA, TQhW GdNHjQ (B...s ([(3O(B. (3e(B.] :s (3eMLehYI GdGLJgGOGJ GdcGedI,s, 2000)
Keywords: (3GdEKHGJ (B((3bGfhf(B) s -- (3GdCQOf s; (3bGfhf GdELQGAGJ GdeOfjI hGdJLGQjI s -- (3GdCQOf s; (3TgGOI GdNHQGA s -- (3GdCQOf s