public AdminService() { df = new DomainFacade(); }
public StudentService() { df = new DomainFacade(); }
public TeacherService() { df = new DomainFacade(); }
public AdminService() { df = new DomainFacade(); }
public StudentService() { df = new DomainFacade(); }
public TeacherService() { df = new DomainFacade(); }