(3GdJaSjQ GdhSjW (B:s (3GdLRA GdKGdK (B/s (3JCdja C (B. (3O hgHI GdRMjdi(B.s - (3hgHI GdRMjdis ((3HjQhJ (B:s (3OGQ GdacQ GdeYGUQ, s, 2001)
(3GdfU HGddZI GdYQHjIs
Keywords: (3JaSjQ GdbQBfs; (3GdTQjYI GdESdGejIs