(3GdceHjhJQ ai TQcGJ GdWjQGf(B: (3MLR JPGcQ hGeGcf hehGYjO SaQ GdQcGH (B/ s - (3aGQhb eMeO GdYGeQis; (3GOhGQ LhQL MfGs ([S.N] : (3OGQ GdQGJH GdLGeYjI , s, 1987)
Keywords: (3GdMGSHGJ GdGdcJQhfjIs; (3GdHQGeL GdGdjIs; (3TQcGJ GdWjQGfs