(3aJM GdeLjO dTQM cJGH GdJhMjO (B/ s - (3YHO GdhgGH, YHO GdQMef Hf MSf Hf eMeOs (1193-1285(3g(B).s ((3HjQhJ (B: s (3OGQ GHf MRe, s, 1999)
Keywords: (3GdYbjOI GdOjfjI(B. s; (3GdJhMjO(B. s