(3GdejGg heJWdHGJ GdCef GdeSJbHdj aj GdOhd GdYQHjI (B:s (3OQGSI aj OHdheGSjI GdejGg (B/s - (3GdeLPhH, WGQbs ((3GdQjGV (B:s (3CcGOjejI fGja GdYQHjI ddYdhe GdCefjI,s, 1999)
(3HHdjhLQGajI (B: (3UaMI (B215-218.s
Keywords: (3GdejGgs -- (3LhGfH SjGSjIs -- (3GdHdGO GdYQHjIs; (3eUGOQ GdejGgs -- (3GdHdGO GdYQHjIs