(3MGOj GdCQhGM Edi HdGO GdCaQGM (B/s - (3GHf bje GdLhRjI, eMeO Hf CHj HcQ Hf CjhH,s 691-751 (3gLQjG(B.s; (3HOjhj, jhSa Ydjs; (3eSJh, eMj GdOjfs ((3OeTb (B:s (3OGQ GHf cKjQ , s, 2000)
Keywords: (3GdLfIs; (3GdSeYjGJs; (3GdKhGH hGdYbGHs