(3GHhfhGS h bVjI GdMOGKI ai GdTYQ (B/ s - (3GdYQHi MSf OQhjTs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1987)
Keywords: (3GdTYQ GdYQHis; (3OhGhjf hbUGFOs; (3JGQjN hfbOs