(3Ndb GdUHQ aj GdcJGH hGdSfI (B/s - (3YHO GdMejO GdThGQHis ((3eUQ (B:s (3efTCI GdeYGQa LdGd MRj hTQcGg,s, 1994)
(3jTJed Ydi EQLGYGJ HHjdhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdCNdGb hGdBOGH GdESdGejIs