(3cJGH GdQbI (B/ s - (3EHf bOGeg, ehab GdOjf CHh eMeO, s 620 - 1230(3, s; (3GdSdhGOj, YHO GdQMjes ((3YeGf (B: s [(3ZjQ eYQha(B](3, s, 2000)
Keywords: (3GdESdGe(B. s; (3GdYbjOI GdOjfjI(B. s; (3GdEjeGf(B. s; (3GdRgO(B. s; (3GdCNdGb(B. s; (3GdYHGOI(B. s