(3JdHjS EHdjS (B/s - (3GHf GdLhRj, GHj GdaQL YHO GdQMef Hf Ydj Hf eMeO,s 508-597 (3g`(B.s; (3GdTGaYj, eMeO MSf eMeO MSf ESeGYjds; (3GdSYOfj, eSYO YHO GdMejO eMeOs ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI,s, 1998)
Keywords: (3GdTjGWjf hGdLGfs