(3CRhGL HGdcPH (B:s (3ehVhY aj eYGdLI eTcdI GLJeGYjI eDQbI (B/s - (3GdQMjdj, YHO Gddg Hf Vja Gddg QGLM,s 1372 (3gLQj(B-s ((3GdQjGV (B:s (3OGQ GdCfOdS GdNVQGA,s, 1999)
Keywords: (3GdRhGLs -- (3LhGfH GLJeGYjIs; (3GdCSQIs -- (3LhGfH GLJeGYjIs