(3Gdehba GdeYGUQ ef GdefgL GdSdaj aj GdHdGO GdYQHjI (B:s (3OQGSI fbOjI (B/s - (3GdbhSj, eaQM Hf SdjeGfs ((3GdQjGV (B:s (3OGQ GdaVjdI ,s, 2002)
Keywords: (3GdOYhI GdESdGejIs -- (3GdHdGO GdYQHjIs; (3GdESdGes -- (3OYhGJ SdajIs -- (3GdHdGO GdYQHjIs