(3LGeY HjGf GdYde haVdg (B/s - (3GHf YHO GdHQ, jhSa Hf YHO Gddg Hf eMeO,s 368-463 (3g`(B.s; (3GdRgjQj, GHj GdGTHGds ((3GdQjGV ;s (3LOI, GdSYhOjI (B:s (3OGQ GHf GdLhRj,s, 1998)
Keywords: (3GdESdGe hGdYdes; (3BOGH WGdH GdYdes