(3XGgQI LfGM GdCMOGK aj GdCQOf (B:s (3OQGSI PGJ WGHY Tehdj hUajI JLQjHjI (B/ s - (3TfGb, YHO GdMajX eMeO MeO s ((3YeGf (B: s (3GdeQcR GdYQHj ddNOeGJ GdWdGHjI, s, 2001)
Keywords: (3GdCWaGd(B. s; (3GdfJfTFI GdELJeGYjI(B. s; (3GdfXQjI GdadSajI(B. s