sentence1: 14 Managing for  Federal Managers' Views Show Need for Ensuring Top Leadership Skills (GAO-01-127, Oct. 20, 2000); Management  Using the Results Act and Quality Management to Improve Federal Performance (GAO/T-GGD-99-151, July 29, 1999); and Management  Elements of Successful Improvement Initiatives (GAO/T- GGD-00-26, Oct. 15, 1999).
sentence2: The documentation fpr Ensuring Top Leadership Skills is GAO-01-127, Oct. 20, 2000.