(3GdfhGaP ai JTZjd GdceHjhJQ (B/ s - (3YHOGdMejO HSjhfi YHOGdMejOs ([S.N] : (3OGQ GdfTQ ddLGeYGJ GdeUQjI , s, 1993)
Keywords: (3GdagGQS GdGdcJQhfjIs; (3GdWHGYIs; (3HQGeL GdMGSHGJ GdGdcJQhfjIs